CHROMATOGRAPHY - 299 Anuncios

Sábado 09 abril 2022

Precio : 10-30USD

The two part syringe is assembled by barrel, plunger, with/without hypodermic needle. There is a constriction near the barrel's handles which is a well-defined plunger stop and can effectively prevent the plunger from accidentally pulling out during use. The hypodermic syringes used...

Jueves 07 abril 2022

Cantidad : 1-100 - Precio : USD 50000-5000000

HVD-CHRO-Q series single use chromatography system, also known as the chromatography data system, is the use of the mixture in the flow through the high performance chromatography separation resin (separation agent), due to the different adsorption capacity of components of chromatography...

Jueves 07 abril 2022

Cantidad : 1-100 - Precio : USD 50000-5000000

Advanced crop process engineering machinical types of equipment, testing instruments, sophisticated manufacturing production technology in agriculture, and strict & perfect quality management system. Hongvadar agricultural product processing held the ISO9001 quality system certification...

Viernes 01 abril 2022

Hipro's competitiveness over our automated immunoassay analyzer, one of the types of point of care testing, is rooted in our self-innovated key technologies, an acute sense of cutting-edge technology, an excellent management team, and a strict quality control system. As a professional...

Martes 21 diciembre 2021

Cantidad : 1-100 - Precio : USD 50000-5000000

Hongvadar is advanced in many areas, such as being the corn starch production plant and small scale tomato processing plant. HVD-CHRO-Q series chromatography separation system, also known as the chromatography data system, is the use of the mixture in the flow through the chromatography...

Martes 21 diciembre 2021

Cantidad : 1-100 - Precio : USD 50000-5000000

HongVader as agricultural processing plants play the roles of corn, sweet corn processing plant, potato processing plant, starch of corn and wheat processing plant, taking wheat, rice, cassava processing, msg project, and production lines of ethanol glucose, DMH, fructose, sorbitol...

Sábado 30 octubre 2021

Similar Products Heat Exchanger Tubes 100% PMI test, 100% Hydraulic test, 100% inner cleaned by sponge, 100% Dimension test, 100% Surface test. Special Shaped Tubes Huashang stainless steel tube size, pipe finishing and material as per request of the customer. Hexagon Steel Tubing...

Miércoles 08 abril 2020

Importance of Proper Models of HPLC Column In practical application, proper models of the HPLC column have a great influence on the performance or operation of the HPLC column. Improper models could greatly reduce the filtration effect. The HPLC column of high purity silica gel matrix...

Martes 31 marzo 2020

SPE technology is a physical extraction process including liquid phase and solid phase based on the theory of liquid-solid chromatography, which uses selective adsorption, selective elution to enrich, separate and purify the sample. In daily application, SPE cartridge can also be...

Martes 24 marzo 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...

Lunes 23 marzo 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...

Miércoles 18 marzo 2020

Flash column is usually used for the chromatography experiment to separate the complicated compounds by pressurizing air. The hot air enters the stirring, crushing and drying chamber from the bottom of the dryer at a suitable spraying speed from the inlet pipe, which produces strong...

Martes 17 marzo 2020

How to understand the chromatographic separation? Put it in short, the more similar the separated substance to the stationary phase, the longer the residence time on it. In this way, different substances in a complex mixed solution can be separated according to time, and the separated...

Domingo 15 marzo 2020

Cantidad : 200MT/mont - Precio : 30 USD/Kilogram

Classification. Organic Acid Refractive index.1.3 Cas NO.: 76-05-1 Flash Point: -3 oC Molecular Formula: C2HF3O2 Purity: 99.5% Melting Point: -15%C Appearance: clear liquid Boiling Point: -15.4 °C usage: industrial and medical use Stbilty: Stable. Incompatible with combustible material...

Sábado 14 marzo 2020

Cantidad : 5000 ton/p - Precio : ＞0.8USD

Product description Bright Annealed Tubes Description Bright annealed stainless steel tube is a kind of high precision steel tube material after finishing or cold rolling. Due to the advantages of no oxide layer both inside and outside wall, no leakage under high pressure, high precision...

Jueves 12 marzo 2020

Most filter paper is made of cotton fibers and is made in different ways for different purposes. Because it's made of fiber, As a result, its surface has numerous small holes through which liquid particles can pass, while larger solid particles cannot. This property allows the mixing...

Miércoles 11 marzo 2020

Column chromatography is found important in the labs due to its factors of easy packing procedure, low pressure of operation and low costs as well. Depend on the way that the solvent flows down the column, we can find two different kinds of column chromatography: one is gravity column...

Martes 10 marzo 2020

1.Mixed-mode cation exchange r: A mixed adsorbent having strong cation exchange and reverse retention, which is highly selective for alkaline analytes, stable in organic solvents. 2.Weak cation exchanger: Weak cation exchange and reverse retention complex mechanism, which is used...

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...

Jueves 16 enero 2020

Highlights of HAWACH flash column HAWACH flash column is packed with proprietary technology for automatic packing. The column bed is compact and uniform, has no “ditch flow effect”, with high resolution and good reproducibility. Different particle sizes of normal phase and reversed-phase...

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...

Viernes 03 enero 2020

The vacuum filters are mainly applied for filtration of mobile phase of High-Performance Liquid Chromatography, particulate and microbiological contamination. They are the basic instruments in the chemistry lab. Particularly, the glass solvent filter can make filtration of all kinds...

Viernes 13 diciembre 2019

FLASH column is a sample pretreatment technology developed by the combination of liquid-solid extraction and column liquid chromatography. It is mainly used for sample separation, purification and concentration which has been widely used in medicine, food, environment, commodity inspection...

Viernes 13 diciembre 2019

High-perfor mance liquid chromatography (HPLC) was developed on the basis of classical liquid chromatography and introduced gas chromatography theory in the late 1960s. It differs from classical liquid chromatography in that the filler particles are small and uniform, and the small...

Jueves 12 diciembre 2019

QuEChERS is a streamlined technique that makes it easier and cheaper for analytical chemists to examine the pesticide residues in agricultural products. It is exploited by many professors of the American Ministry of Agriculture in 2003, especially Anastassiades. This technique shares...

Jueves 12 diciembre 2019

As a unique chromatography technique that pushes solvent through the column uses by compressed gas or a pump, flash column chromatography is highly appreciated as an advance technique because it makes flow rates of the solvent much faster than the gravity flow. Developed in the 1970's...

Jueves 12 diciembre 2019

Because the cotton fiber in the filter paper has a good affinity with water, it can absorb about 22 percent of the water, in the form of a hydrogen bond with cellulose water has 6 to 7 percent. In general, it is very difficult to remove. Compared with the affinity with water, the...

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...

Miércoles 11 diciembre 2019

Flow Process of HPLC column First, the solvent in the storage bottle is pumped into the chromatographic system by pump and then output, and then introduced into the sampler after flow and pressure measurement. Second, object to be tested is injected by the sampler, passes through...

Miércoles 13 noviembre 2019

Cantidad : 5000 ton/p - Precio : ＞0.8USD

Product description Bright Annealed Tubes Description Bright annealed stainless steel tube is a kind of high precision steel tube material after finishing or cold rolling. Due to the advantages of no oxide layer both inside and outside wall, no leakage under high pressure, high precision...