PREPARATIONS - 1209 Anuncios

Lunes 09 marzo 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...

Viernes 28 febrero 2020

GENERAL: Kwang Dah acumuló mucha experiencia en la producción de máquinas de llenado, taponado y cierre de líquidos durante muchos años. Desarrollamos la máquina de preparación aséptica en línea que está diseñada para viales y gotas para los ojos. Se puede equipar con una máquina...

Viernes 24 enero 2020

Cantidad : 1 - Precio : 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...

Viernes 24 enero 2020

Cantidad : 1 - Precio : 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...

Martes 21 enero 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...

Martes 21 enero 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...

Lunes 20 enero 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...

Domingo 19 enero 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...

Jueves 16 enero 2020

Cantidad : 30 sets/mo - Precio : 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...

Jueves 16 enero 2020

Cantidad : 30 sets/mo - Precio : 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...

Viernes 10 enero 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...

Miércoles 08 enero 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...

Martes 07 enero 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...

Viernes 13 diciembre 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,...

Miércoles 11 diciembre 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...

Martes 10 diciembre 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...

Jueves 14 noviembre 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...

Miércoles 06 noviembre 2019

Cantidad : 500square - Precio : 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...

Martes 05 noviembre 2019

Cantidad : 20 - Precio : 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...

Martes 05 noviembre 2019

Cantidad : 20 - Precio : 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...

Viernes 01 noviembre 2019

Cantidad : 200 units - Precio : 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...

Martes 29 octubre 2019

Cantidad : 200 units - Precio : 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...

Miércoles 23 octubre 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...

Jueves 17 octubre 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...

Domingo 13 octubre 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...

Sábado 12 octubre 2019

Cantidad : 1set - Precio : 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...

Sábado 12 octubre 2019

1.Usage HAWACH syringe filter is used with syringes to filter chemical turbid solution samples, most commonly used in chemical HPLC-MS/GC-MS analysis of liquid and air dedusting, sterilization filtration, biological sample preparation, tissue culture media, microbial media, buffer solutions, etc...

Miércoles 09 octubre 2019

Flash column chromatography is an easy and fast method to separate the complex mixtures. It can not only make the separation effect better but also shorten the time. How to put the sample into the flash column is of high importance in the preparation process of flash column chromatography...

Miércoles 09 octubre 2019

Solid phase extraction (SPE) is used to reduce sample matrix interference and improve detection sensitivity. The separation selectivity of the solid phase depends on the retention strength of the components that can be retained, so the selection of the solid phase will depend on the...

Lunes 30 septiembre 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...