HPLC - 400 Annonces

Mardi 08 octobre 2019

The essence of the chromatographic process is the process of distributing the equilibrium of the molecules of the substance to be separated between the stationary phase and the mobile phase. The distribution of the different substances between the two phases will be different, which...

Lundi 30 septembre 2019

HPLC columns are widely used in many fields, whose column efficiency, capacity, permeability characteristics, and service life are very important. After using for a period of time, there will be changes such as column pressure increase, column efficiency decrease, etc. If no measures are taken...

Dimanche 29 septembre 2019

There are many types of chromatographic methods, and different classification methods can be used from different perspectives. Classification from the state of two phases. In the chromatography, the mobile phase may be a gas or a liquid, and thus can be classified into gas chromatography...

Samedi 28 septembre 2019

Depending on the packing of the HPLC column. The following column types are available on the market: 1. Silica gel HPLC column: Silica gel is the earliest chromatographic column packing used in liquid chromatography. It has a wide range of applications. However, it can only be used...

Mercredi 25 septembre 2019

Knowledge of QuEChERS Quick, Easy, Cheap, Effective, Rugged, Safe are generally abbreviated to QuEChERS. It is a sample pretreatment method for agricultural product detection. It is used to absorb and remove impurity, and the operational principle is similar to high-performance liquid...

Mercredi 25 septembre 2019

General requirements for adsorbents: large surface area and certain adsorption capacity. Does not chemically change with the developing agent, does not react with or catalyze, decompose or associate with the substance to be separated, and the particles are uniform. Silica gel and...

Mardi 24 septembre 2019

Ion Chromatography is one of high-performance liquid chromatography (HPLC) and is a liquid chromatography method for the analysis of anions and cations. In a narrow sense, ion chromatography is a chromatographic method in which a low exchange capacity ion exchange resin is used as...

Vendredi 20 septembre 2019

Syringe filter can be used in the analysis of high performance liquid chromatography and IC. It is an important step in sample pretreatment to filter sample solution. The syringe filter with high quality is produced by using the most advanced detection means and production technology...

Vendredi 20 septembre 2019

Hawach Scientific company specializes in the production of PES filter membrane, stable quality, products exported to Europe, North America, and other countries. We have more than 16 years of experience in the filtration industry. Pore size : 0.1um /0.22um/0.45um/0.65um/0.8um/1.2um Diamter ...

Vendredi 20 septembre 2019

Silica matrix HPLC columns are generally compatible, but organic polymer matrix columns may expand or contract in some solvent combinations, which will affect their chromatographic behavior. Wash each solvent system at least 20 volumes. Because some solvent systems are highly viscous...

Jeudi 19 septembre 2019

The determination of 10 plant polyphenols in tobacco samples by solid phase extraction and high-performance liquid chromatography as below: Plant polyphenols are important substances in tobacco. The content of polyphenols in tobacco has an important influence on tobacco quality. Therefore...

Jeudi 19 septembre 2019

It is a liquid chromatography using a chemically bonded phase as a stationary phase, which is formed by chemically reacting an organic molecule to a surface of a carrier (silica gel) by a covalent bond to form a uniform, firm monolayer thin layer. The separation mechanism is both...

Mercredi 18 septembre 2019

In the analysis of HPLC, the packing size of chromatographic column is small, and it is easy to be blocked by impurity particles. Therefore, samples and solvents need to be pre-filtered to remove particulate pollutants and protect chromatographic columns and instruments. Ion chromatography...

Lundi 16 septembre 2019

The syringe filter is mainly used for the filtration of solvent samples, which holds a crucial position in the sample prefiltration procedure, especially in the HPLC sample analysis. There are two basic aspects of the syringe filter that should be learned and memorized clearly. Composition...

Lundi 16 septembre 2019

Reversed phase chromatography (RP) is the most widely used technique in high-performance liquid chromatography (HPLC) up to now, mainly because it is suitable for the analysis of most of them. Nonpolar substances and many ionizable and ionic compounds. Most stationary phases used...

Jeudi 12 septembre 2019

As an important branch of chromatography, high-performance liquid chromatography (HPLC) has become an important application of separation and analysis technology in the fields of chemistry, medicine, industry, agriculture, commodity inspection, and law inspection. Features of high-performance...

Mercredi 11 septembre 2019

For an inhalation automatic sample vial, the sample is sucked into the sample ring by the suction generated by the syringe. This design of automatic sample vial was very popular in the early days because of its simplicity and reliability. However, with the emergence of the other two designs...

Mercredi 11 septembre 2019

When storing the column, the column should be filled with acetonitrile or methanol, and the column joint should be tightened to prevent the solvent from evaporating and drying. It is absolutely forbidden to leave the buffer solution in the HPLC columns for an overnight or longer period of time...

Samedi 07 septembre 2019

There are bubbles in the mobile phase, the pump is turned off, the pressure relief valve is opened, the purge button is turned on, the degas is cleaned, the bubbles are continuously ejected from the HPLC column, and the mobile phase enters the mobile phase. No matter how many times...

Mardi 03 septembre 2019

Hawch disposable syringe filter is a fast and reliable filtering tool commonly used in laboratories. With the beautiful appearance, light weight and high cleanliness, it is quite available in basically any kind of filtration experiments, including food analysis, bio-fuel analysis...

Mardi 03 septembre 2019

Chemical properties of the chromatographic column could affect the performance of the C18 HPLC column. Performance factors of C18 HPLC columns: bonding type Single tooth bonding can improve the mass transfer rate and accelerate column balance. Double tooth bonding can increase the...

Vendredi 30 août 2019

Quantité : 100pcs - Prix : 6,00 €

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Vendredi 30 août 2019

Quantité : 100pcs - Prix : 2.35usd

le sertissage bouchons en aluminium et flacons, cloisons, large ouverture ND11 100pcs/pack S111 blanc septa Φ ptfe / red silicone résistant aux températures de - 60 11 * 1 mm ℃ ℃ - 200 S112 red ptfe / white silicone résistant aux températures de 1 mm Φ 11 * septations ℃ 60 ℃ - 200...

Vendredi 30 août 2019

Quantité : 100pcs - Prix : 2.35usd

les flacons de court et fils, fils nd9 septa, large ouverture peu 100pcs/pack S91 blanc septations ptfe / red silicone résistant aux températures Φ 9 * 1 mm ℃ 60 ℃ - 200 S92 red ptfe / white silicone résistant aux températures de 1 mm Φ 9 * les cloisons ℃ 60 ℃ - 200 S911 avant...

Vendredi 30 août 2019

Quantité : 100pcs - Prix : 2.35usd

les flacons de court et fils, fils nd9 septa, large ouverture peu 100pcs/pack S91 blanc septations ptfe / red silicone résistant aux températures Φ 9 * 1 mm ℃ 60 ℃ - 200 S92 red ptfe / white silicone résistant aux températures de 1 mm Φ 9 * les cloisons ℃ 60 ℃ - 200 S911 avant...

Vendredi 16 août 2019

NH2 HPLC columns refer to the chromatographic columns that use silica gel as matrix carrier to bond amino groups. They are usually used for the analysis of carbohydrate compounds, and the mobile phase is usually methanol, acetonitrile and buffers salt solution. - The cleaning method...

Jeudi 15 août 2019

Glass solvent filters are used for solvent particle removal and water phase mobile phase filtration. All components of glass solvent filters in contact with solvents are made of chemically inert glass or PTFE materials, which are used in combination with regenerated cellulose (RC)...

Mercredi 14 août 2019

Flash column chromatography is an alternative to long column chromatography developed in 1978. This method aims to separate the components from the mixture and thereby purify it. It is built from existing long column chromatography techniques and is time-consuming and often unsatisfactory...

Mercredi 14 août 2019

Physical properties of the chromatographic column could affect the performance of C18 HPLC columns. - Performance factors of C18 HPLC columns: - Silica gel purity Class A silica gel has high residual silica hydroxyl with a negative charge and high metal content on the acidic surface...

Lundi 12 août 2019

The system of an HPLC column is composed of a liquid, a reservoir, a pump, a sampler, a column, a detector and a recorder. - The packing material of HPLC columns - The packing material has high carbon content, small surface polarity, very low chemical purity and high surface separation...

Vendredi 09 août 2019

Reversed-phase chromatography (RPC) contains any chromatographic method using a non-polar stationary phase. The word “reverse” has a historical background. In the 1970s, most liquid chromatography was performed on unmodified silica or alumina. Their surface chemistry is hydrophilic...

Jeudi 08 août 2019

As a single-use filter cartridge, Syringe filters are utilized to remove particles from the sample prior to high-performance liquid chromatography (HPLC). The scientists like to attach them to the end of the syringes for general filtration, as syringe filters are affordable and convenient...

Jeudi 08 août 2019

Chromatography is a separation and analysis method and the separation is the core. Therefore, HPLC columns are the heart of the chromatographic system. The requirements for the column are high efficiency, good selectivity and fast analysis speed. Generally, the column length of about...

Mardi 06 août 2019

In recent years, the application of HPLC in inorganic analysis has developed rapidly, and the use of flash columns has been more and more widely because of a method that can rapidly determine heavy metal elements in environmental water samples. Matters needing the attention of flash columns 1...

Mardi 06 août 2019

HPLC is more suitable for the separation and analysis of substances with the high boiling point, poor thermal stability, physiological activity, and relatively large molecular weight. Hawach HPLC columns are widely used in the analysis of nucleic acid, peptide, lactones, polycyclic...

Lundi 05 août 2019

Vacuum Filtration is a device for accelerating water filtration by negative pressure caused by air extraction. It's a filtering product that most lab customers will be used for suspension detection in water extraction filtration, microbial limit detection extraction filtration, chromatographic...

Lundi 05 août 2019

One of the main factors affecting the life of the liquid chromatographic column is the mobile phase. There are three aspects of the mobile phase factors. The pH value of the Mobile Phase The fillers of different substrates apply to different pH value range. Under normal temperature...

Vendredi 02 août 2019

Syringe filter is a kind of disposal filter cartridge, which is attached at the end of injector for using. It is optional to use syringe needles, if it is possible, it could be installed in the end. It is generally made of plastic shells and thin films which acts as filters. Due to...

Vendredi 02 août 2019

Usually, the sample contains something that is not of interest to the analyst. Salt, lipids, lipid-containing substances, humic acid, hydrophobic proteins, and other biological substances are some substances that may interact with the HPLC column in use. These substances have less...

Jeudi 01 août 2019

There are two different cases of retention time: retention time drift and retention time fluctuations. The former means that the retention time changes only in one direction, while the latter refers to the fluctuation of the retention time without a fixed law. It is often helpful...

Jeudi 01 août 2019

It is important for the experimenters to use and maintain chromatographic columns correctly. They should focus on many some things so as to protect the columns in the using process. Here we talk about several attentions. Avoid changing pressure and temperature dramatically and any...

Mardi 30 juillet 2019

Increasing the rate of filtration through the force on the solution over gravity, vacuum filtration is an operation of evacuating the air below the filter paper to maintain the pressure differential across the filter medium. It is widely applied in the laboratory for various tests...

Mardi 30 juillet 2019

The improper use of chromatographic columns will make the columns decrease or lose effectiveness. Generally speaking, the columns always have problems at the end of them. If we can install a short column with the same stationary phase as the analysis column in front of analysis column...

Vendredi 19 juillet 2019

Bonded-phase chromatography is a liquid-liquid chromatography method in which a stationary phase is covalently bound to a carrier particle, which overcomes the mechanical shock in the distribution chromatography, the constant loss of the stationary phase and the gradual change of...

Lundi 15 juillet 2019

Syringe filters are widely used in laboratories. The users do not need to change membranes and clean filters, which can save complex and time-consuming preparations. It is very convenient and easy to operate. They are mainly used in sample pre-filtration, clarification, degerming of particles...

Lundi 15 juillet 2019

All the technique cores of HPLC from Hawach Scientific are focused on the characteristics of the chromatogram column. Quality Recognition This is shown as the fact that terminal customers have published more than 500 papers on those journals at home and abroad. For famous oversea journals...

Vendredi 12 juillet 2019

Today, Hawach want to talk about the pre-treatment process for pesticide residue detection from the perspective of food safety – QuEChERS, and also tell you how to pre-treat pesticide residue food. Introduction The present analytical methods and determining techniques, pre-treatment...

Jeudi 11 juillet 2019

The polyethersulfone (PES) syringe filter with the feature of low protein binding and has excellent flow rates is mainly used for sterilizing or clarify viscous proteinaceous solutions especially in the life-science applications biological and pharmaceutical labs, this is because...

Jeudi 11 juillet 2019

The formation of a flash phenomenon The boiling point of water is higher than 100℃ when the water is heated under a certain pressure. The higher the pressure, the higher the boiling point of water and the higher the heat content. When the pressure decreases, some sensible heat is released...

Jeudi 11 juillet 2019

The formation of a flash phenomenon The boiling point of water is higher than 100℃ when the water is heated under a certain pressure. The higher the pressure, the higher the boiling point of water and the higher the heat content. When the pressure decreases, some sensible heat is released...

Jeudi 11 juillet 2019

Columns Ahead Statement Generally speaking, SPE/FLASH is mainly applied to the pretreatment of samples. People can easily perceive that SPE/FLASH columns separate salt and sugar, while HPLC ones can make glucose, maltose and sucrose apart from the sugar solution, which posses more...

Jeudi 11 juillet 2019

With the development of society and technology, chromatographic analysis theory has also been developing rapidly. HPLC column has now been widely applied in every field of laboratory analysis. HPLC column gathers function of both detection and separation. With the right choice, use...

Jeudi 11 juillet 2019

With the development of society and technology, chromatographic analysis theory has also been developing rapidly. HPLC column has now been widely applied in every field of laboratory analysis. HPLC column gathers function of both detection and separation. With the right choice, use...

Mardi 09 juillet 2019

The cleaning of sample vial is very important. Usually, according to the principle of glass instrument washing and the degree of pollution to choose cleaning methods, there is no fixed mode. The specific methods are as follows: Method one: 1. Dry the sample in the sample vial. 2...

Mardi 09 juillet 2019

The reversed-phase HPLC columns may be repeatedly injected into a sample containing a strongly retained material, and in particular, the sorbent components such as large molecular weight or hydrophobic biological flow proteins and strong alkaline substances may be adsorbed on the silica medium...

Lundi 08 juillet 2019

QuEChERS is a pretreatment that has the characteristics of Quick、Easy、Cheap、Effective、Rugged and Safe, which is the reason why it is becoming more and more popular in the new testing methods. It was developed by Professor Anastassiades in 2003, which was used in agricultural testing at first...

Lundi 08 juillet 2019

SPE Technique Introduction SPE(Solid-phase Extraction), is an increasingly popularized technology of sample pretreatment, which is established on the basis of traditional LLE(Liquid-liquid Extraction). Combined with the substance interaction mechanism that like dissolves like, and...

Lundi 08 juillet 2019

Nowadays customers are now more concerned with the quality of the filter, especially the extractable level of the filter media. A low backgrounding and super clean filter media with no or extremely low HPLC extractables can keep the experiment without unwanted column peak. In Hawach Scientific...

Lundi 08 juillet 2019

HPLC is the separation of sample components between the column packing and the mobile phase for mass exchange. Therefore, the mobile phase is required to have the following characteristics: a. the flow relative to the sample has a certain solubility, to ensure that the sample components...

Vendredi 05 juillet 2019

When the polarity of the stationary phase is greater than the polarity of the mobile phase, it can be called normal phase partition chromatography or simply normal phase chromatography. If the polarity of the stationary phase is less than the polarity of the mobile phase, it can be...

Jeudi 04 juillet 2019

C8 HPLC columns are used to isolate many organic compounds, which are one of the reversed phase silica gel columns. The maintenance of C8 HPLC columns requires organic solvents. Chromatographic grade methanol is recommended and different brands of chromatographic columns should be...

Jeudi 04 juillet 2019

The silicon hydroxyl group with strongly polar on the surface of glass sample vials will adsorb the samples. Based on such reasons, people produce hydrophobic glass surface through silylating the sample vials in order to eliminate the adsorption of the sample vials, which is widely...

Jeudi 04 juillet 2019

(1) When loading and unloading or replacing the HPLC columns, the action should be light and the joint should be tightened properly. Strong mechanical vibration must be prevented to avoid voids in the bed. (2) If the instrument is used for routine analysis, the sample type is limited...

Mercredi 03 juillet 2019

The FILTSTAR series syringe filter is extremely low HPLC extractable and specially designed to support the filtration of viscous samples, hard-to-filter samples which with high solids content. Medical PP housing with imported membrane filter media helps to guarantee the filter cleanness...

Mardi 02 juillet 2019

In this article, we want to clarify the syringe filter. Each of the different syringe filters is applied to the specific product Which the various syringe filter is worth seeing more and what are the right steps and methods to have a try. Classification by membrane The filtration...

Mardi 02 juillet 2019

The key to regenerating contaminated HPLC columns is to know the nature of the contaminants and to find the right solvent to remove. If contamination is caused by the accumulation of strongly retained materials during repeated injections, simple steps to remove these contaminants...

Vendredi 28 juin 2019

Stationary Phase & Mobile Phase The stationary phase is used to separate the substances, which is packed into HPLC Column directly; Mobile phase is the carrier, which carries the substances into the stationary phase and goes through the stationary phase. It is gas in the vapor phase...

Vendredi 21 juin 2019

We can always hear such a conversation between those researchers. “Hey, buddy, what is your purity degree of the end products today?” “Damn it. Such a low degree that I cannot even use for the next step. Any better methods for clarifying raw materials?” Then there comes Hawach syringe filter...

Vendredi 21 juin 2019

Flash chromatographic column, also called rapid chromatographic column(rapid column crossing, which means gradient elution, decompression or pressurization of the column), medium pressure chromatographic column（for example, rapid elution is achieved by pressurizing with nitrogen and...

Vendredi 21 juin 2019

The cation chromatography column is a kind of high-performance liquid chromatography, which is a liquid chromatography method for analyzing anions and cations. The method has the advantages of good selectivity, sensitivity, rapidity, and simplicity, and can simultaneously measure...

Mercredi 19 juin 2019

Hawach Scientific sorts HPLC out of two series which are Xchroma and Echroma. Xchroma columns possess many and complete types of stationary phase(23 in total) with reliable qualities, while another one is cheaper among lower prices. Essential Technical Parameters Naming Rule It consists...

Vendredi 14 juin 2019

Hawach introduced the properties and application range of HPLC column stationary phase in the silica gel matrix. Silica gel matrix: Silica gel, weakly acidic, has a strong memory, used to separate non-polar, weakly acidic compounds, oils, etc.; C18, a silica-based uncapped reversed-phase...

Jeudi 13 juin 2019

NH2 HPLC columns can be used in the positive phase or in the negative phase, but it should be noted that the positive phase solvent and the negative phase solvent are usually not mutually soluble. New NH2 HPLC columns are preserved in the positive phase environment under normal circumstances...

Jeudi 13 juin 2019

It's important to know the way to choose the right syringe filter for filtration. And the membrane materials used for manufacturing syringe filters often determine your choices. Let's learn the different types of membrane materials for filtering in the lab. As the most popular membrane...

Mardi 11 juin 2019

The installation of the HPLC column should be carried out in the following three steps: a. Unpack the HPLC column and confirm the type, size, date of manufacture, and solvent stored in the column. b. Unscrew the sealing plug from the joints at both ends of the column and put it back...

Vendredi 07 juin 2019

Syringe filters are one of the types of filters. The structure design of the syringe filter is precise and the liquid is filtered smoothly. Internal space design is reasonable, so the residue rate is very low. In addition, the syringe filter has the following characteristics. Characteristics...

Jeudi 06 juin 2019

The empty column is assembled from column joints, column tubes, and filters. The HPLC columns joints are constructed with a low dead volume. The column joints are threaded assemblies at both ends, with 7/16-inch external threads on one end and 3/16-inch internal threads on the other...

Jeudi 06 juin 2019

As one of the useful sample preparation technique, solid phase extraction can prevent many problems, such as incomplete phase separations, recoveries with poor quantity, waste of expensive fragile glassware, and extra disposal of organic solvents, which you may occur if you use the...

Mardi 04 juin 2019

HPLC columns are manufactured and tested to exacting standards. If you use and maintain a liquid chromatography column with the following information, you will not only get better results but also extend the life of your HPLC column. Installation of HPLC columns: 1. First, check that...

Lundi 29 avril 2019

C1 HPLC columns are made of ultra-pure silica gel, unique stationary phase bonding technology. High column efficiency, good peak shape symmetry, wide pH range. C1 HPLC Columns Localisation : Xi'an City , Shaanxi Province, P.R.China, 710077 Xi'an, Personne à contacter : Bruce Lu, +86...

Mercredi 25 juillet 2018

Prix : Prix marché compétit

Basée en france, notre société commerciale est un pont entre deux continents et ne fait la promotion que des meilleurs produits d'origine d'ouzbékistan comme les fruits bio, les fruits secs, les produits textiles, plantes médicinales, la céramique et bien d'autres encore sur le marché français...

Mardi 10 avril 2018

Filtre à seringue spécialement conçu par Starlab Scientific avec des extractibles HPLC extrêmement faibles dans une salle blanche de 100 000 degrés. Tous les filtres fabriqués en Allemagne avec un boîtier en PP vierge de qualité médicale sont les plus faciles à extraire et à éliminer...

Mercredi 14 mars 2018

Quantité : 1kg - Prix : $520-625

- Epicatechine/epicatechin Bodybuilding CAS 490-46-0 - XI' AN LESEN BIOTECHNOLOGY CO., LTD specializes in the ten years of plant extracts and export trade, to provide customers with high-quality, organic, natural, good price of various plant extracts, fruit and vegetable powder...

Dimanche 04 février 2018

Quantité : 1 kg - Prix : $23-80

Product Description Product Name Stevia extract rebaudioside A Sweetness times 200-450 times Color&odor White characteristic Stevia Assay 95-99% Reb-A Testing Method HPLC Loss on Drying ≤4% Ash ≤0.1% Storage Store in a well-closed container away from moisture...

Dimanche 04 février 2018

Quantité : 1 kg - Prix : $23-80

Product Description Product Name Sugar diabetics stevia extract rebaudioside A 97% Color&odor White characterisic Using Part Stevia leaf Testing Method HPLC Loss on Drying ≤4% Ash ≤0.1% Sweetness times 350-400 Solubility In water Soluble in 1% solution PH...

Dimanche 04 février 2018

Quantité : 1 kg - Prix : $23-80

Product Description Product Name Low Calorie Weight Loss Sugar Substitute Stevia Tablets Sweetness times 60 times Color&odor White and Characteristic Stevia Assay 97-98% Testing Method HPLC Loss on Drying ≤4% Ash ≤0.1% Storage Store in a well-closed container...

Dimanche 04 février 2018

Quantité : 1 kg - Prix : $30-125

Description Chinese ginseng has a history of herbal use going back over 5,000 years. It is one of the most highly regarded of herbal medicines in the Orient, where it has gained an almost magical reputation for being able to promote health, general body vigour and also to prolong life...

Mardi 09 janvier 2018

Quantité : 1 kg - Prix : $30-125

Chinese ginseng has a history of herbal use going back over 5,000 years. It is one of the most highly regarded of herbal medicines in the Orient, where it has gained an almost magical reputation for being able to promote health, general body vigour and also to prolong life. The genus...

Mardi 09 janvier 2018

Quantité : 1 kg - Prix : $15-50

The word “licorice” refers to the root of a plant called Glycyrrhiza glabra. It's native to Europe and Asia. The plant is actually classified as a weed in those areas. Chinese licorice listed on products are Glycyrrhiza uralensis, the second variety. Glycyrrhiza's name reflects its...

Mardi 09 janvier 2018

Quantité : 1 kg - Prix : $30-150

Rhodiola Rosea is known as “golden root” is an adaptogen herb with tremendous fat burning, energy enhancing and brain boosting power. This unique herb grows at high altitudes in the arctic areas of Asia and Eastern Europe. Rhodiola Rosea help your body adapt to physical, chemical...

Mardi 15 août 2017

Nutritional Analysis at Creative-Proteomics supports your research in nutritional composition analysis. Nutritional Analysis Service at Creative-Proteomics offers you a state-of-the-art nutritional analysis platform to help you with a diversity of compounds analysis in cereals, vegetables...

Mardi 11 avril 2017

Factory Supply High Quality Milk thistle extract Extract! Products name: Milk thistle extract Appearance: Yellow or White powder Specification: 80% silymarin, 80% silymarin and 30% UV isosilybin Molecular Formula: C25H22O10 CAS NO.: 22888-70-6 Particle Size: 80 Mesh Test Method: HPLC Packing...

Mardi 11 avril 2017

Part of used: Seed Odor: Characteristic Appearance: Brownish Yellow fine powder Active ingredient: Chlorogenic acid CAS NO.: 327-97-9 Molecular Weight: 354.31 Molecular Formula: C16H18O9 Extraction Type : Solvent Extraction Test Method: HPLC What is Chlorogenic Acid? Green Coffee...

Mardi 11 avril 2017

Part of used: Seed Odor: Characteristic Appearance: Brownish Yellow fine powder Active ingredient: Chlorogenic acid CAS NO.: 327-97-9 Molecular Weight: 354.31 Molecular Formula: C16H18O9 Extraction Type : Solvent Extraction Test Method: HPLC What is Chlorogenic Acid? Green Coffee...

Mardi 11 avril 2017

Part of used: Seed Odor: Characteristic Appearance: Brownish Yellow fine powder Active ingredient: Chlorogenic acid CAS NO.: 327-97-9 Molecular Weight: 354.31 Molecular Formula: C16H18O9 Extraction Type : Solvent Extraction Test Method: HPLC What is Chlorogenic Acid? Green Coffee...

Mardi 11 avril 2017

Part of used: Seed Odor: Characteristic Appearance: Brownish Yellow fine powder Active ingredient: Chlorogenic acid CAS NO.: 327-97-9 Molecular Weight: 354.31 Molecular Formula: C16H18O9 Extraction Type : Solvent Extraction Test Method: HPLC What is Chlorogenic Acid? Green Coffee...

Mardi 11 avril 2017

Part of used: Seed Odor: Characteristic Appearance: Brownish Yellow fine powder Active ingredient: Chlorogenic acid CAS NO.: 327-97-9 Molecular Weight: 354.31 Molecular Formula: C16H18O9 Extraction Type : Solvent Extraction Test Method: HPLC What is Chlorogenic Acid? Green Coffee...

Mardi 11 avril 2017

Factory Supply High Quality Rutin Extract! Product name: Pure natural herbs powder sophora japonica extract rutin powder Latin name: Sophora japonica Active ingredients: Rutin Origin: the buds of Sophora japonica L. Appearance: Light yellow crystalline powder Specification: 95%,98%...

Mardi 11 avril 2017

Factory Supply High Quality Rutin Extract! Product name: Pure natural herbs powder sophora japonica extract rutin powder Latin name: Sophora japonica Active ingredients: Rutin Origin: the buds of Sophora japonica L. Appearance: Light yellow crystalline powder Specification: 95%,98%...

Mardi 11 avril 2017

Factory Supply High Quality Rutin Extract! Product name: Pure natural herbs powder sophora japonica extract rutin powder Latin name: Sophora japonica Active ingredients: Rutin Origin: the buds of Sophora japonica L. Appearance: Light yellow crystalline powder Specification: 95%,98%...

Mardi 11 avril 2017

Factory Supply High Quality Milk thistle extract Extract! Products name: Milk thistle extract Appearance: Yellow or White powder Specification: 80% silymarin, 80% silymarin and 30% UV isosilybin Molecular Formula: C25H22O10 CAS NO.: 22888-70-6 Particle Size: 80 Mesh Test Method: HPLC Packing...

Mardi 11 avril 2017

Production Name: Huperzine A Huperzia serrata extract Original plant: Huperzinaserrata(Thumb.)Trev Specification: 1%,5%,98% Test Method: HPLC Molecular Formula: C15H18N2O Molecular Weight: 242.32 CAS No: 102518-79-6 Melting Point: 214~215°C Soubility: Soluble in Chloroform,Methanol...

Mardi 11 avril 2017

Factory supply high quality resveratrol 50% ! Product Name: resveratrol/polygonum cuspidatum/about resveratrol Original Plant: Root of Polygonum cuspidatum Sieb. et Zucc ChemicalName: 3,4',5-trihydroxy-trans-stilbene;5-[(1E) -2-(4-hydroxyphenyl)ethenyl]-1,3-benzned iol Specification...

Mardi 11 avril 2017

Product Name: Green Coffee Bean Extract Powder Part of used: Seed Odor: Characteristic Appearance: Brownish Yellow fine powder Active ingredient: Chlorogenic acid CAS NO.: 327-97-9 Molecular Weight: 354.31 Molecular Formula: C16H18O9 Extraction Type : Solvent Extraction Test Method...

Mardi 11 avril 2017

Product name: Pure natural herbs powder sophora japonica extract rutin powder Latin name: Sophora japonica Active ingredients: Rutin Origin: the buds of Sophora japonica L. Appearance: Light yellow crystalline powder Specification: 95%,98% Rutin by HPLC Extract Method: Grain Test Method...

Mardi 11 avril 2017

Factory Supply High Quality Milk thistle extract Extract! Products name: Milk thistle extract Appearance: Yellow or White powder Specification: 80% silymarin, 80% silymarin and 30% UV isosilybin Molecular Formula: C25H22O10 CAS NO.: 22888-70-6 Particle Size: 80 Mesh Test Method: HPLC Packing...

Samedi 01 avril 2017

Siraitia grosvenorii (luo han guo or monk fruit) is a herbaceous perennial vine of the Cucurbitaceae (gourd) family, native to southern China and northern Thailand. The plant is cultivated for its fruit, whose extract is nearly 300 times sweeter than sugar and has been used in China...

Samedi 01 avril 2017

Siraitia grosvenorii (luo han guo or monk fruit) is a herbaceous perennial vine of the Cucurbitaceae (gourd) family, native to southern China and northern Thailand. The plant is cultivated for its fruit, whose extract is nearly 300 times sweeter than sugar and has been used in China...

Samedi 01 avril 2017

Astragalus extract 1. Sources and Habitat Astragalus (Astragalus Membranaceus(fisch)Bge in Latin), It is harvested in autumn. It originates from Gansu, Shaanxi, Hubei, Sichuan, Yunnan etc. 2. Descriptions and Specifications of Product Content Specifications: Polysaccharide 10-70% UV...

Samedi 01 avril 2017

Resveratrol (3,5,4′-trihydroxy-trans-stilbene) is a stilbenoid, a type of natural phenol, and a phytoalexin produced by several plants in response to injury or when the plant is under attack by pathogens such as bacteria or fungi. Sources of resveratrol in food include the skin of grapes...

Samedi 01 avril 2017

Resveratrol (3,5,4′-trihydroxy-trans-stilbene) is a stilbenoid, a type of natural phenol, and a phytoalexin produced by several plants in response to injury or when the plant is under attack by pathogens such as bacteria or fungi. Sources of resveratrol in food include the skin of grapes...

Samedi 01 avril 2017

Huperzine A is a substance purified from a plant called Chinese club moss. It is used for Alzheimer's disease, memory and learning enhancement, and age-related memory impairment. It is also used for treating a muscle disease called myasthenia gravis, for increasing alertness and energy...

Samedi 01 avril 2017

Huperzine A is a substance purified from a plant called Chinese club moss. It is used for Alzheimer's disease, memory and learning enhancement, and age-related memory impairment. It is also used for treating a muscle disease called myasthenia gravis, for increasing alertness and energy...

Samedi 01 avril 2017

Huperzine A is a substance purified from a plant called Chinese club moss. It is used for Alzheimer's disease, memory and learning enhancement, and age-related memory impairment. It is also used for treating a muscle disease called myasthenia gravis, for increasing alertness and energy...

Samedi 01 avril 2017

Product Name: Ginkgo Biloba Extract (water soluble) Botanical Source: Ginkgo Biloba L. Part Used: Leaf Specification: Flavonoids, express as flavone glycosides30% Total Ginkgolides: 8% Ginkgolic Acid: MAX 10 PPM Test Method: HPLC Appearance: Bright yellow-brown fine powder Function...

Vendredi 31 mars 2017

Product Name: Biharatter Melon P.E. Latin name: Momordica charantia Extraction sources: Hyacinth plants bitter gourd Memordica charantia L extract of the fruit. Active components: Balsam pear Specifications: 10% UV；4% HPLC Appearance: Pale yellow Function: Biharatter Melon P.E. is...

Vendredi 31 mars 2017

Ginkgo biloba, or maidenhair tree, is renowned worldwide for its medicinal properties. This remarkable tree is known as a 'living fossil', as it is the sole survivor of an ancient group of trees that date back to beyond the time of the dinosaurs. Changsha Huir provides 100% natural...

Vendredi 31 mars 2017

Hordenine is a natural phenethylamine compound that occurs notably in barley grass. This supplement works primarily through the release and protection of norepinephrine, much like other weight-loss supplements. Users take supplement Hordenine for three main effects: fat loss, appetite control...

Jeudi 30 mars 2017

Athena HPLC columns [ Perfect peak shape, strict quality control, long lifetime ] CNW Athena columns base on high-purity silica gel, using unique bonding technique, with excellent peak shape, better selectivity, sensitivity and reproducibility. With low content of matrix metal...

Samedi 25 mars 2017

Quantité : Best - Prix : 78-90USD/Kg

Hordenine hydrochloride also chemically similar to phenylethylamine Hordenine is a natural phenethylamine compound that occurs notably in barley grass. This supplement works primarily through the release and protection of norepinephrine, much like other weight-loss supplements....

Samedi 25 mars 2017

Quantité : Best - Prix : 135-155USD/Kg

Luo Han Guo P.E. 80% Mogrosides zero Calories sweeter Siraitia grosvenorii (luo han guo or monk fruit) is a herbaceous perennial vine of the Cucurbitaceae (gourd) family, native to southern China and northern Thailand. The plant is cultivated for its fruit, whose extract is nearly...

Samedi 25 mars 2017

Quantité : Best - Prix : 155-180USD/Kg

Professional manufacturer supply natural ginkgo biloba P.E. Ginkgo biloba, or maidenhair tree, is renowned worldwide for its medicinal properties. This remarkable tree is known as a 'living fossil', as it is the sole survivor of an ancient group of trees that date back to beyond...

Samedi 25 mars 2017

Quantité : Best - Prix : 210-230USD/Kg

High quality giant knotweed extract/giant knotweed extract bulk resveratrol Resveratrol (3,5,4′-trihydroxy-trans-stilbene) is a stilbenoid, a type of natural phenol, and a phytoalexin produced by several plants in response to injury or when the plant is under attack by pathogens...

Samedi 25 mars 2017

Quantité : Best - Prix : 1900-2200USD/Kg

supply best price for huperzine A extract powder CAS 102518-79-6 Huperzine A is a substance purified from a plant called Chinese club moss. It is used for Alzheimer's disease, memory and learning enhancement, and age-related memory impairment. It is also used for treating a muscle...

Samedi 25 mars 2017

Quantité : 100 pcs/ b - Prix : 15-50 USD/ BAG

ANPEL offers unsurpassed quality, consistency and reliablility of result to increase sample throughput while reducing thumb pressure. under designed state-of-art injection technology, syringe filter is produced for 13mm and 25mm. HPLC certification is owned for each batch. the syringe...

Mardi 28 février 2017

Product Name: Grape Skin Extract Latin Name: Vitis vinifera.L Part used: Grape Skin Specification: 5% resveratrol Test Method: HPLC Resveratrol is a naturally occurring phytoalexin produced by some higher plants in response to injury or fungal infection. Phytoalexins are chemical...

Mardi 28 février 2017

Product Name: green tea extract Active Ingredients: Tea polyphenol, EGCG, Catechins, Caffeine Test Method: UV, HPLC Part of Plant Used: Leaf Appearance: White to Yellow brown Fine Powder CAS NO.: 989-51-5 (EGCG), 970-74-1(EGC), 1257-08-5 (ECG),490-46-0 (EC) Molecular Formula...

Mardi 28 février 2017

Product Specification: Stevioside50%-95% & 60%-98%RA Plant Part Use: Leaf Extract Method: Grain /Water Test Mothed: HPLC Product number：MS8990018 Functions: Of high sweetness and low heat, its sweetness is 200-400 times than that of sucrose and thermal value only 1 / 300,which...

Vendredi 24 février 2017

Product Name: Bilberry Extract Product No.: MS8990002 Latin Name: Vaccinium myrtillus L./Vaccininm ulingosum L. Plant Source: Natural bilberry fruit Appearance: Purple fine powder Specification: 25% Anthocyanidins UV(Chinese Standard,European Standard) Testing method: UV and HPLC CAS No...

Mercredi 08 février 2017

Quantité : 55 - Prix : 1,00 €

No. Résultats 1 Nom du produit Zeaxanthin 2 Nom chinois 玉米 黄 质 3 Source de plantes Fleur de Marigold 4 Ingrédient fonctionnel Zeaxanthine 5 Méthode d'essai HPLC 6 Spécification 5% 7 Aspect Poudre de Nacarat 8 Description La zéaxanthine est une poudre cristalline rouge orangé...

Mercredi 08 février 2017

Quantité : 1 - Prix : 101,00 €

No. Résultats 1 Nom du produit Zeaxanthin 2 Nom chinois 玉米 黄 质 3 Source de plantes Fleur de Marigold 4 Ingrédient fonctionnel Zeaxanthine 5 Méthode d'essai HPLC 6 Spécification 10% 7 Aspect Poudre de Nacarat 8 Description La zéaxanthine est une poudre cristalline rouge orangé...

Mercredi 08 février 2017

Quantité : 1 - Prix : 194,00 €

No. Résultats 1 Nom du produit Zeaxanthin 2 Nom chinois 玉米 黄 质 3 Source de plantes Fleur de Marigold 4 Ingrédient fonctionnel Zeaxanthine 5 Méthode d'essai HPLC 6 Spécifications 20% 7 Aspect Poudre de Nacarat 8 Description La zéaxanthine est une poudre cristalline rouge orangé...

Samedi 14 janvier 2017

1.Product Details 1 Product Name Green coffee extract 2 Botanical Source Coffea arabica L 3 Solvent Used Ethanol & Water 4 Assay: HPLC 5 Specification 10%-70% Chemical Physical Control Analysis Item Specification Result Order Characteristic Complies Taste...

Mardi 10 janvier 2017

1.Quick details: - Product Name: Rhodiola P.E. - Latin name: Rhodioia rosea.L - Extraction part: Dry roots - Form: Brown or red brown powder - Specific: Rosavin1%-5% Salidroside1%-10% - Inspection method: HPLC Main Function 2.Main Fuction: - Improve immune function...

Samedi 07 janvier 2017

1.English Name: Cnidium Fruit Extract Latin Name: C.monnieri (L.) Cusson Source: The fruit of the Cnidium monnieri (L.) Cusson. Ingredients: Containing pinene,bornyl isovalarate,osthol,beraptenisopimpinelli n.etc Effective Ingredients: Seeds Molecular formula: C15H16O3 CAS...

Jeudi 05 janvier 2017

1.Quick details: Product name: Motherwort Herb Extract Plant origin: Herba leonuri japonica. Latin name : leonurus sibiricus Linn. Use Part: Stem & Leaf Appearance: Brown Powder Specification: Stachydrine 10%-98%, 10: 1,5: 1 Detection Method: HPLC COA 2. Specification...

Mercredi 04 janvier 2017

1.Quick details: - [Name of Product]Yohimbe P.E. - [Latin Name]Corynante Yohimbe L. - [Plant Origin and Distribution] Yohimbine, is a plant produced in West Africa, which is extract from the bark of a proposed alkaloid, is an evergreen plant come from the ancient jungles of Africa...

Vendredi 23 décembre 2016

1.Quick details: - Name: Maca P.E. - Category: Standard Herbal Extract - Effectiveness: Immunity enhancer - Plant of Origin: Maca - Specification: 4: 1,10: 1 - Appearance: Light yellow Powder - Test method: HPLC - ​​Latin name: Lepidium meyenii Walp​ COA ITEM ...

Vendredi 16 décembre 2016

1. Quick details: Name: Grapefruit Peel Extract Powder Category: Standard Herbal Extract Plant of Origin: Grapefruit peel Active Ingredients: Naringin(HPLC) Appearance: Light yellow crystalline powder Specifications of Product Content Specifications: 98% 3.Main Fuction: 1...

Samedi 10 décembre 2016

- High quality competitive price Kudzu root extract 40% Puerarin by HPLC - What's the Kudzu Extract Powder? Kudzu root has been known for centuries in traditional Chinese medicine as ge-gen. The first written mention of the plant as a medicine is in the ancient herbal text of...

Vendredi 25 novembre 2016

Product Name Underleaf pearl Extract Latin Name Phyllanthus urinaria L. Part of Used Plant Active Ingredients Gallic acid, Corilagin Specification Phyllanthin 2%-98% HPLC test (High quality for Anti-hepatitis B virus) Appearance Light Brown or white fine Powder...

Lundi 29 août 2016

Prix : 10,00 €

Product Name: Marigold Flowder ExtractSpecification: Lutein Free 5%-80% HPLC Lutein Beadlet 5% & 10% HPLC Lutein CWS Powder 5% HPLC Lutein CWS Liquid 1% & 2% HPLC Lutein Oil 5% & 10% & 20% HPLC Lutein Feed 2%-4% HPLC Lutein Esters 5%-60% HPLC Lutein Esters Oil 5% ...

Samedi 09 juillet 2016

Quantité : 10 tons pe

5-hydroxytryptophan, or 5-HTP is precursor of the important inhibitory neurotransmitter amine 5-HT, which is extracted from the dry seeds of Griffonia simplicifolia from Ghana and is of more safety compared to the synthesized product. CAS Number 4350-09-8 Molecular Formula C11H12N2O3...

Samedi 09 juillet 2016

Quantité : 50 tons pe

Plant Sources Leaves of Stevia (Stevia rebaudiana Bertoni Hemsl) Bioactive Ingredients Stevioside; Rebaudioside A, D, C, E; Dulcoside A Stevioside Rebaudioside A Dulcoside A CAS Number 57817-89-7 58543-16-1 64432-06-0 Molecular Formula C38H60O18 C44H70O23 C6H12O6 Molecular Weight 805...

Samedi 09 juillet 2016

Quantité : 50 tons pe

Plant Sources Seeds of flax (Linum usitatissimum L.) Bioactive Ingredients Secoisolariciresinol Diglucoside, SDG CAS Number 148244-82-0 Molecular Formula C20H26O6.C6H12O6 Molecular Weight 542.58 Benefits 1.Anti-cancer effect 2.To reduce premenstrual syndrome 3.To prevent...

Samedi 09 juillet 2016

Quantité : 50 tons pe

Plant Sources Branches or bark of willows (Salix babylonica L.) Bioactive Ingredients Salicin CAS Number 138-52-3 Molecular Formula C13H18O7 Molecular Weight 286.27 Benefits Anti-inflammatory, analgesic, antipyretic, anti-rheumatism and convergence effects Specifications...

Vendredi 08 juillet 2016

Quantité : 50 tons pe

Plant Sources Fruits of Tribulus terrestris Bioactive ingredient Saponins Protodioscin CAS Number 55056-80-9 Molecular Formula C51H82O22 Molecular Weight 1049.2 Benefits 1.To lower blood pressure, blood lipid, to prevent against carotid artery stenosis and anti-aging effect 2...

Vendredi 08 juillet 2016

Quantité : 50 tons pe

Plant Sources Seed of soybean (Glycine max L. Merr.) Bioactive Ingredients Total isoflavones contain daidzein, daidzin, genistein and genistin Benefits 1.Estrogen-like activity 2.To prevent against osteoporosis 3.Anti-cancer effect 4.To prevent against cardiovascular diseases...

Vendredi 08 juillet 2016

Quantité : 10 tons pe

Plant Sources Dry roots and stems of Eleutherocus senticosus Bioactive ingredients Eleutheroside B & E CAS Number: 118-34-3 39432-56-9 Molecular formula: C17H15O9 C34H46O18 Molecular Weight: 372.36 742.72 Benefits 1.Anti-fatigue effect 2.To enhance immunity 3.To protect...

Vendredi 08 juillet 2016

Quantité : 50 tons pe

Plant Sources Dry stems or leaves with flowers of Red Clover (Trifolium Pratense L.) Bioactive ingredients Biochanin A and B, formononetin, genistein, daidzein Benefits 1.Estrogen-like activity 2.Hypolipidemic effects 3.Anti-cancer 4.To enhance physical fitness Specifications...