​​SALT - 1633 Annonces

Thursday 01 August 2019

Hawach bottle-top dispensers help to simplify the routine liquid transfer operation and are widely used in all kinds of liquid reagents – buffer solution, medium, vitamin solution, acid, alkali, salt solution or a variety of polar solution. Bottle-top dispensers can meet the needs...

Tuesday 30 July 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...

Monday 15 July 2019

Laboratory workers use a membrane to filter two phases. Actually, the membrane is a kind of media. According to different aperture sizes, filter membranes can be divided into the microporous membrane, ultrafiltration membrane, nanofiltration membrane a nd reverse osmosis membranes...

Friday 12 July 2019

Characteristics of QuEChERS QuEChERS is a pretreatment method for pesticide residue detection. This paper refers to the products produced by our company. Its name comes from the acronyms of the words “Quick, Easy, Cheap, Effective, Rugged, Safe”, which are also the characteristics...

Friday 12 July 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...

Thursday 11 July 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...

Thursday 11 July 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...

Thursday 11 July 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...

Wednesday 10 July 2019

According to the research from the United States Department of Agriculture, the QuEChERS meth od which extracts pesticide from foods is fast, convenient, cheap, effective and secure. When it compares to the traditional SPE method, QuEChERS not only uses less solvent but also adopts...

Friday 05 July 2019

The product mainly includes two parts: extraction boxes and purification boxes. Extraction boxes include salt bags and 50 ml centrifugal tubes. Due to the high transportation cost of 50 ml centrifugal tubes and the general unacceptability of customer laboratories, more customers will...

Thursday 04 July 2019

The bottle-top dispenser, also known as the bottle-top pipette, is an instrument for accurately measuring liquid medicine. It is widely used in the biological and chemical fields, as well as in clinical medicine, industrial and commercial laboratories. Bottle-top dispenser material Generally...

Thursday 20 June 2019

Extraction is often susceptible to matrix interference. One analytical method is fine in this matrix but can become problematic in another matrix. If we encounter such a situation, how can we improve the QuEChERS method to overcome it? For pesticide residues, most of the food samples...

Thursday 20 June 2019

Firstly, let's divide those bottle-top dispensers into 3 groups according to their materials A. Highly corrosion resistant materials such as PTFE, PFA, boron silicate, platinum, etc. Application: Resistant to high-temperature sterilization (121℃), withstand most of the acid, alkali...

Wednesday 19 June 2019

THAIFOOD-N (Non Phosphate) is a mixture of food grade sodium/calcium salts and food materials in a ratio to provide excellent performance in reducing drip loss, improve moisture retention, prevent freeze burn, suitable for flavor and texture improvement of seafood products. Packing...

Wednesday 19 June 2019

Take the example of pear test to check whether a pear is up to the standard. Prepare the environment The first step: Suitable Acetonitrile salting-out extraction environment was prepared. Make the pears into a puree, take 10g to QuEChERS centrifuge tube of 50ml. Add extract solution...

Tuesday 18 June 2019

Application: The tested object is attached to a test platform adapter. The inside of the part was cooled and heated by an aqueous solution of ethylene glycol. The test component needs to undergo a specific temperature profile and record changes in temperature. Temperature variations...

Sunday 16 June 2019

Ceramic membrane technology and organic membrane technology can be used in combination. Organic membrane can follow ceramic membrane. We have organic membranes with wide range of pore sizes to different applications, from removing salt to filtering large particulates. JIUWU company...

Friday 14 June 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...

Thursday 13 June 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...

Thursday 13 June 2019

Package 1 QuEChERS extracting pesticide residues from plants Extraction box: 50 ml centrifuge tube + AOAC/EN salt pack 2 kinds of buffer salts: General buffer salt for phase-separation and pH-adjustment; Anhydrous magnesium sulfate completely separates water in the matrix from the...

Friday 07 June 2019

Quantité : 4 pcs - Prix : USD 10-470

JMZ-T1 anti vibration mount has the static load from 0.45kg to 1.4kg, which has small size than any other kind vibration mounts. For its unique small size, the JMZ-T1 anti-vibration isolators is now widely used in the precision equipments systems, aeronautics and space, aircrafts...

Friday 07 June 2019

Quantité : 4 pcs - Prix : USD 10-470

With the rapid development of modern industrial engineering, the various manufacturing machine, transportation machine are all developing to high speed, high efficiency, high precision, and automation. However, with the increase of equipment's power and speed, the intensity of the...

Friday 07 June 2019

Quantité : 4 pcs - Prix : USD 10-470

JMZ-1-1.5A shock isolation mount belongs to the JMZ-1 series. It adopts the structure of double spring and special friction plate. It has good impact resistance and a 1.5kg maximum rated load. It can vibrate isolation in any direction. This type of shock isolation mount has a wide...

Monday 03 June 2019

Electric Cleaning Agent is mainly used for eradicating dirt, dust, and contaminations on the power equipment surface especially clean those which surface was heavily polluted. After cleaning it can significantly enhance the adhesion between the RTV coatings and the surface of insulator...

Wednesday 29 May 2019

Why We need Electrochlorination Electro chlorination sodium hypochlorite is a type of industry-standard oxidizing agent, which can be applied in various sorts of applications, marine bio fouling control, potable water disinfection and etc. The Electrochlorination system designed by...

Tuesday 28 May 2019

- FIBC Bags - FIBCs is the abbreviation of flexible intermediate bulk containers, also known as fibc bulk bags china, jumbo bags, bulk bag, baffle bags or big bags. It's made of flexible fabric which is designed for transporting or storing bulk flowable, powder-like products, include fertilizer...

Tuesday 28 May 2019

- PP Woven Bags - PP (polypropylene) woven bags are widely used as basic packaging materials in agriculture and industry. Follow us, a leading pp woven bags manufacturer from China, to have a broad understanding toward pp woven bags via following questions. - Types of PP Woven Bags...

Tuesday 28 May 2019

- Sugar & Salt Bags - Sugar bopp bag vs polywoven and salt bags, especially for bulk sugar package and big bag of salt, polypropylene acts as ideal packaging material when regarding of costing and long time serviceable. Colored woven polypropylene bags or striped colored pp woven...

Saturday 27 April 2019

Hawach Scientific Co., Ltd QuEChERS is a sample treating method, which means quick, easy, cheap, effective, rugged and safe. Our products include four types which are QuEChERS kit, QuEChERS extraction salts, QuEChERS dispersive SPE kit, QuEChERS dispersive absorbent, QuEChERS ceramic...

Saturday 30 March 2019

Le sel d'Epsom est un composé minéral pur composé de magnésium, reconnu depuis longtemps comme remède naturel pour de nombreuses maladies. Le sel d'Epsom peut également détendre le système nerveux et apaiser le corps, l'esprit et l'âme. Le sel d'Epsom est un minéral commun dans les...