PREPARATION - 1542 Annonces

Tuesday 24 March 2020

The capacity of the SPE cartridge refers to the adsorption amount of the column packing. For silica-based solid-phase extraction columns, the capacity is generally 1 to 5 mg/100 mg, which means that the column capacity is 1% to 5% of the mass of the packing. The capacity of the bonded...

Monday 23 March 2020

Advantages of flash column FLASH chromatography is used for preparation and has the following advantages: 1. Fast speed, generally 1/8 of the separation time of open column chromatography, saving time, slow sample change and decomposition 2. Large preparation volume, at least as compared...

Friday 20 March 2020

Quantité : 1USD—100US - Prix : 1USD—100USD

Meniscus Cutter Description Application domain: for arthroscopy endoscope Material: Super-high rust-resistant high-hardness stainless steel, ceramics, generally stainless steel LZQ is an OEM factory for all kinds of shaver blades, such as Endoscopic/Arthroscopic Shaver blade P259...

Thursday 12 March 2020

What areSyringe filter syringe filters used for? syringe filter, also known as needle filter, cylinder filter, cylinder filter membrane filter, etc., is used for sample prefiltration, clarification of the removal of particles, liquids and gases, etc. What are the advantages of using...

Monday 09 March 2020

The QuEChERS method has the following advantages : (1) high recovery rate, which is greater than 85% for a large number of polar and volatile pesticide varieties;(2) high accuracy and accuracy, can be corrected by internal standard method;(3) a wide range of analyzable pesticides...

Friday 28 February 2020

GÉNÉRAL: Kwang Dah a accumulé beaucoup d'expérience dans la production de machine de remplissage, de bouchage et de fermeture de liquide pendant de nombreuses années. Nous avons développé la machine de préparation aseptique en ligne conçue pour les flacons et les collyres. Il peut...

Friday 24 January 2020

Quantité : 1 - Prix : 1,00 €

Mandarin language school Beijing is located in the heart of Beijing's central business district and gives you the perfect learning environment; modern, professional and welcoming. Our Chinese school in Beijing offers the same curriculum, courses and level of teaching quality as our...

Friday 24 January 2020

Quantité : 1 - Prix : 1,00 €

Mandarin House Shanghai - People's Square is located in the heart of the city and provides you with high quality Chinese courses and a professional and friendly learning environment. Our Chinese school Shanghai offers the same curriculum, courses and level of teaching quality as our...

Tuesday 21 January 2020

Syringe filter is separation equipment which can be combined with a injector to filter out the impurities from the sample of chemically turbid solution. Syringe filter generally consists of a plastic housing and a membrane. The body of syringe filter (plastic housing) is usually made...

Tuesday 21 January 2020

The FLASH column is the heart of the FLASH purification system, like an engine in a car. If you want to do a good job, you must first sharpen the tools. Choosing the correct FLASH purification column is the most critical part of the whole purification process. And choosing the right...

Monday 20 January 2020

As we know, five steps required for solid phase extraction cartridge: sample preparation, activation or equilibration of the column, loading, rinsing and eluting the compound of interest. There is no uniform regulation for that the solid phase extraction cartridge should be activated...

Sunday 19 January 2020

The QuEChERS method is a sample preparation technology based on solid-phase extraction and matrix solid-phase dispersion technology. It is suitable for the treatment of low-fat samples and can achieve ideal results for samples containing less than 15% fat. Because of its simple operation...

Thursday 16 January 2020

Quantité : 30 sets/mo - Prix : 1500USD-30500USD

This type of semi automatic pouch filling machine can complete the measurement, filling and the like, and is suitable for measuring powdery and granular materials with poor flow or fluidity, such as milk powder, protein powder, rice flour, milk tea, solid beverage, coffee powder, white sugar...

Thursday 16 January 2020

Quantité : 30 sets/mo - Prix : 1500USD-30500USD

The post lifting bin mixer can automatically complete the functions of lifting, mixing and lowering, and is ideal mixing equipment for the solid preparation of the pharmaceutical industry. This model can be fully automated and only needs to input relevant data on the control screen...

Friday 10 January 2020

When selecting the filter paper, people should combine the Rf value of the separated object. For the compounds with slight differences in Rf values, slow filter paper can be used to separate the compounds clearly because using the fast filter paper will cause the inseparable weight...

Wednesday 08 January 2020

When the filter element has been used for a long time and the filtration speed still recovers less than ideal after recoil with the above method, the filter element can be removed and immersed in NaOH solution with a concentration of 2-4% for 4-8 hours. Then, clean water filtered...

Tuesday 07 January 2020

Originally designed to analyze fruits and vegetables, QuEChERS now includes a variety of products. Since being developed and released by scientists at the United States department of agriculture in 2003, QuEChERS has gained increasing popularity as a method of selection. It combines...

Friday 13 December 2019

In order to prolong the service life and obtain the best performance, there are some instructions to follow. It is better to spray the filter paper with water before using, because the dry filter paper has poor filtration effect and is easily been sucked away by the filter paper,...

Wednesday 11 December 2019

Syringe filters are used in a wide range of laboratories to provide fast and efficient water and organic solution filtration solutions. It is made from a variety of membrane filters containing polypropylene housings, and special injection molding processes increase burst pressure...

Tuesday 10 December 2019

Mixed cellulose ester (MCE) filter membrane is made of refined nitrocellulose and added with the appropriate amount of cellulose acetate, acetone, n-butanol, ethanol, etc. It is hydrophilic, non-toxic and hygienic. The MCE filter membrane is mainly used for filtering aqueous solutions...

Thursday 14 November 2019

Edon gas-liquid mixing pump(we can also call it nano micro bubble generator or air bubble generator) is a horizontally mounted self-priming gas-liquid mixing pump. It uses a standard click coupling connection. The pump's wetted components are all made of stainless steel. The suction...

Wednesday 06 November 2019

Quantité : 500square - Prix : 25usd

Nano aluminum composite panel is a new high-end functional product springing up in the recent years. A semiconductor oxide nanometer coating (current mainly TiO2) is added on the surface of curtain wall plate. The coating is composed of nanoscale particles and nanoscale pore in structure...

Tuesday 05 November 2019

Quantité : 20 - Prix : 20,000 USD - 800,000

Cut To Length line is a high efficient metal processing production line for cutting metal flat sheet from metal coils. The metal coils unwind, leveled, cut to length and blanking. RISHBIN supply full range of cut to length line machine according to client's special requirement by...

Tuesday 05 November 2019

Quantité : 20 - Prix : 20,000 USD - 800,000

Machine Reviews Cut To Length line is a high efficient metal processing production line for cutting metal flat sheet from metal coils. The metal coils unwind, leveled, cut to length and blanking. RISHBIN supply full range of cut to length line China according to client's special requirement...

Friday 01 November 2019

Quantité : 200 units - Prix : 7000-28000 USD

Floor shot blaster is a kind of shot blasting machine for concrete floors, steel plates. The floor shot blaster can clean up the floatation and impurities on the surface of the concrete at one time. It can also roughen the surface of the concrete road to make it uniform and rough...

Tuesday 29 October 2019

Quantité : 200 units - Prix : 7000-28000 USD

We have floor shot blaster for sale! Floor shot blaster is a kind of floor blasting equipment for concrete floors, steel plates. The floor shot blaster can clean up the floatation and impurities on the surface of the concrete at one time. It can also roughen the surface of the concrete...

Wednesday 23 October 2019

Introduction of Bettersizer Series Particle Size Analyzer Bettersizer Series particle size analyzers mainly include four models - Bettersizer S3 Plus laser particle size analyzer ( used for the particle size analysis and particle shape analysis), Bettersizer S3 laser used particle...

Thursday 17 October 2019

GKLM series vertical grinding mill is one advanced powder making mill through our engineer research and experience and bringing in advanced technology of the world. It is ideal equipment for superfine milling industry which integrated with crushing, drying, grinding and collecting...

Sunday 13 October 2019

Solid phase extraction is a sample preparation method based on the chromatographic analysis. Solid phase extraction includes a solid phase (adsorbent with a certain functional group) and a liquid phase (sample and solvent). The liquid sample passes through a solid phase extraction...

Saturday 12 October 2019

Quantité : 1set - Prix : 300000usd

Nowadays, automated assembly technology is gradually replacing the manual assembly, since it can reduce labor costs and improve production efficiency and product stability. Yiheda has wealth of experience in developing automated assembly machine for many industries, such as automotive...