CHROMATOGRAPHY - 288 Anuncios

Viernes 28 junio 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...

Lunes 24 junio 2019

QuEChERS is widely used in many areas, in the case that the targeting recovery rate satisfies the need, and also the matrix background of removing impurities meets detection, it can be applied to purify stuff such as residues of food and veterinary, additives, plasticizers. However...

Lunes 24 junio 2019

When using filter paper, we should pay attention to the fact that when the filter paper is not displayed on the paper box of the filter paper, the precipitation should be paid attention to when using the quantitative and qualitative analysis filter papers. (1) Natural filtration is...

Viernes 21 junio 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...

Viernes 21 junio 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...

Jueves 20 junio 2019

Filter paper has excellent filtration property and strong absorption performance on liquid. Scientific workers use filter paper as a kind of media in analytical laboratories to separate solution from solid. Currently, there are mainly three kinds of filter papers which can be purchased...

Miércoles 19 junio 2019

The most important process of the whole purification is selecting the most suitable Flash column. And now we will talk about the key content of the column: stationary phase. Stationary phase, commonly known as filler, is the most central part of chromatography. When we choose the...

Miércoles 19 junio 2019

SPE cartridges, with a full name of Solid Phase extraction cartridges, is also called the SPE column( solid phase extraction column). The solid phase extraction column/cartridges is a pretreatment device for the sample being analyzed, which developed from the chromatographic column...

Sábado 15 junio 2019

What is SPE Cartridge? The term SPE cartridges is short for Solid Phase Extraction cartridge. It is a kind of sample preprocessing equipment (extract, separate and concentrate) which is developed from the chromatographic column. SPE cartridge is mainly used for preprocessing of the...

Viernes 14 junio 2019

As a simple and fast absorption chromatography technique for the routine purification of organic compounds, flash chromatography is developed for the daily purification of reaction products in the lab, which is low costs and achieves separations of samples (0.01-10.0 g weight) in short time...

Martes 11 junio 2019

Developed in the 1970s, flash column chromatography is the method of isolating and purifying a component from a mixture by passing the sample through the flash column filled with a gel. The inventors of flash column chromatography were using medium pressure chromatography and short...

Jueves 06 junio 2019

The main function of the microporous filtration membrane and syringe filter is to trap and filtering of the particles, bacteria and other impurities from the gas phase or liquid phase for separation, purification and purification purposes. The following factors should be considered...

Jueves 06 junio 2019

The main function of the microporous filtration membrane and syringe filter is to trap and filtering of the particles, bacteria and other impurities from the gas phase or liquid phase for separation, purification and purification purposes. The following factors should be considered...

Jueves 06 junio 2019

The fast liquid chromatography column optimization function, or “GO” function, converts the linear gradient into a step gradient and optimizes the elution conditions near the confirmed elution peak. First, purify a small portion of the sample with a small column and wait until the...

Jueves 06 junio 2019

The glass fiber filter is chemically inert and contains no binder. It is made of 100% borosilicate glass fiber. It has a capillary structure, can absorb more water than the same cellulose filter paper, has the characteristics of fast flow rate, high-temperature resistance and strong...

Martes 04 junio 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...

Sábado 25 mayo 2019

Hawach's name by Chinese means “the Cambrian”, also the Cambrian explosion. Here means we will keep on the way to become century enterprises and do better solutions for our clients, we also take responsibility for protecting reputation of the goods “made in China” For customer, we...

Martes 06 febrero 2018

Cantidad : 10 sets pe - Precio : factory price

Advantages of activated carbon adsorption device: - The adsorption efficiency is up to 90%, it has the large capacity and wide application. - Activated carbon has the characteristics of low price, wide range of sources, and so on. - The operation is simple, safe and reliable. -...

Martes 15 agosto 2017

Cantidad : 100 - Precio : 1,00 €

The following picture illustrates a typical workflow for protein identification and characterization using MS/MS data. The starting point is a given protein sample that may be a single protein or a complex mixture of different proteins. An enzyme, often trypsin, is used to digest...

Martes 15 agosto 2017

Cantidad : 100 - Precio : 1,00 €

La chromatographie en phase gazeuse (GC) est une technique analytique pour une grande variété d'identification et de quantification des composés organiques volatils et / ou semi-volatils. C'est une technique indispensable pour le laboratoire d'analyse pour analyser une variété de...

Domingo 16 abril 2017

DVTP Double Stages Vacuum Transformer Oil Purifier has high degasification efficiency, which can remove harmful gas better and faster. However, in the separation of harmful gases, acetylene is main problems. Following is acetylene analysis in transformer oil. Transformer oil contains...

Miércoles 27 julio 2016

Commercial ultra low temperature refrigerator Ultra low temperature freezer Shanghai Toffon Machinery Equipment Co., Ltd. Product series: -60℃Horizontal series Type: TF-60-458-WA Available capacity（L）: 458 Internal dimensions（W*D*H）（mm）: 1380*500*660 External dimensions（W*D*H）（mm）...

Miércoles 27 julio 2016

Domestic ultra low temperature refrigerator Ultra low temperature freezer Shanghai Toffon Machinery Equipment Co., Ltd. Product series: -60℃Horizontal series Type: TF-60-318-WA Available capacity（L）: 318 Internal dimensions（W*D*H）（mm）: 1330*470*570 External dimensions（W*D*H）（mm）...

Miércoles 27 julio 2016

Bearing freezer Ultra low temperature freezer Shanghai Toffon Machinery Equipment Co., Ltd. Product series: -60℃Horizontal series Type: TF-60-258-WA Available capacity（L）: 258 Internal dimensions（W*D*H）（mm）: 780*500*660 External dimensions（W*D*H）（mm）: 1510*885*1095 Power（W)...

Miércoles 27 julio 2016

All frozen refrigerator Ultra low temperature freezer Shanghai Toffon Machinery Equipment Co., Ltd. Product series: -60℃Horizontal series Type: TF-60-218-WA Available capacity（L）: 218 Internal dimensions（W*D*H）（mm）: 960*470*570 External dimensions（W*D*H）（mm）: 1160*750*860 Power（W)...

Miércoles 27 julio 2016

Explosion proof refrigerator Ultra low temperature freezer Shanghai Toffon Machinery Equipment Co., Ltd. Product series: -60℃Horizontal series Type: TF-60-118-WA Available capacity（L）: 118 Internal dimensions（W*D*H）（mm）: 500*400*560 External dimensions（W*D*H）（mm）: 900*750*920 Power（W)...

Miércoles 27 julio 2016

Special refrigerator for laboratory Ultra low temperature freezer Shanghai Toffon Machinery Equipment Co., Ltd. Product series: -60℃Horizontal series Type: TF-60-60-WA Available capacity（L）: 58 Internal dimensions（W*D*H）（mm）: 410*410*353 External dimensions（W*D*H）（mm）: 670*755*995...

Miércoles 27 julio 2016

Laboratory freezer Ultra low temperature freezer Shanghai Toffon Machinery Equipment Co., Ltd. Product series: -60℃Vertical series Type: TF-60-938-LA Available capacity（L）: 938 Internal dimensions（W*D*H）（mm）: 1000*700*1335 External dimensions（W*D*H）（mm）: 1240*1000*2000 Power（W)...

Miércoles 27 julio 2016

Laboratory refrigerator Ultra low temperature freezer Shanghai Toffon Machinery Equipment Co., Ltd. Product series: -60℃Vertical series Type: TF-60-598-LA Available capacity（L）: 598 Internal dimensions（W*D*H）（mm）: 700*680*1255 External dimensions（W*D*H）（mm）: 940*950*1920 Power（W)...

Miércoles 27 julio 2016

Laboratory low temperature refrigerator Ultra low temperature freezer Shanghai Toffon Machinery Equipment Co., Ltd. Product series: -60℃Vertical series Type: TF-60-400-LA Available capacity（L）: 398 Internal dimensions（W*D*H）（mm）: 550*630*1140 External dimensions（W*D*H）（mm）...