PURIFIED - 320 Anuncios

Miércoles 11 diciembre 2019

The specific steps are as follows: 1. Clean the glass cylinder. 2. Empty and unscrew the separator from the bottle, and lift the separator upward until the drain pipe leaves the liquid level but is still in the bottle-top dispenser. 3. Touch the inner wall of the bottle carefully...

Martes 29 octubre 2019

Cantidad : 25kg - Precio : FOB Qingdao 2.4-2.9$

CARBOXYMETHYL CELLULOSE Send Enquiry Sodium carboxymethyl cellulose (Na CMC or cellulose gum) is the most widely used and most frequently used type of anionic cellulose ether. It is a white fibrous or granulated powder. Odorless, tasteless, non-toxic, hygroscopic, easily soluble in...

Sábado 12 octubre 2019

The stationary phase, commonly known as the fillers, is the most central part of chromatography. People need to determine three aspects of stationary phase information in turn before determine how to select the kind of the stationary phase of the flash purification column. They are matrix type...

Martes 24 septiembre 2019

Suitable for a general flash chromatography method analysis, the flash column chromatography is the method of isolating a component from a mixture and purify it as well. Different from the old method: long column chromatography technology, flash column chromatography can separate...

Domingo 22 septiembre 2019

Cantidad : 1 - Precio : $60000

The powder grinder;industrial powder grinder, powder making machine mainly consist of hammer crusher , micro powder main unit, Frequency conversion classifier, powder collector, pulse dust cleaner,high pressure positive blower, air compressor, muffler, electrical apparatus control system...

Viernes 13 septiembre 2019

Some samples (such as avocado, peanuts, olive oil, etc.) contain more fat. Due to the limited solubility of fat in acetonitrile, the recovery rate of some fat-soluble pesticides (such as HCB, DDT, etc.) is reduced. How to overcome the low experimental results caused by fat? You can...

Martes 10 septiembre 2019

1. Advantages and disadvantages of commonly used extraction solvents Acetonitrile: easy to salt out; compatible with LC/MS; difficult to concentrate Acetone: not easy to salt out; easy to volatilize, concentrate Ethyl acetate: immiscible with water; less extraction of impurities;...

Miércoles 14 agosto 2019

Flash column chromatography is an alternative to long column chromatography developed in 1978. This method aims to separate the components from the mixture and thereby purify it. It is built from existing long column chromatography techniques and is time-consuming and often unsatisfactory...

Lunes 12 agosto 2019

The system of an HPLC column is composed of a liquid, a reservoir, a pump, a sampler, a column, a detector and a recorder. - The packing material of HPLC columns - The packing material has high carbon content, small surface polarity, very low chemical purity and high surface separation...

Sábado 10 agosto 2019

Cantidad : 10000 - Precio : 1-10000 USD

Dust collector baghouse accessories include cloth bag for bag filter, skeleton (bag cage), electromagnetic pulse valve, pulse controller, star-type unloading valve, etc., anode plate for electrostatic Dust collector, barbed wire, cathode and anode rapping, porcelain bottle, porcelain...

Sábado 10 agosto 2019

Cantidad : 10000 - Precio : 1-10000 USD

KWD/RD space esp dust collector uses high-voltage DC electric field to make the dust particle charge in the dust-containing gas to deposit on the surface of the sedimentation level under the action of the electric field force. The dust falls into the device so that the flue gas passing...

Sábado 10 agosto 2019

Cantidad : 10000 - Precio : 1-10000 USD

PPC type airbag pulse bag filter is a new product introduced by the American Fule Company. This type of dust remover can be widely used in glass installation, warehouse roof, cooked cooling machine and mill dust collection system in cement plants. There are 33 kinds of specifications...

Sábado 10 agosto 2019

Cantidad : 10000 - Precio : 1-10000 USD

Single-pulse bag filter is widely used in mining, electric furnace smelting, machinery manufacturing, chemical products, cement, building materials, grain processing and other industrial and mining enterprises warehouse top, bottom, belt transmission and local dust source dust. It...

Miércoles 07 agosto 2019

Food safety testing is a major issue related to people's livelihood. In recent years, the QuEChERS method has been widely used in the pretreatment of food safety detection samples. In addition, the method has been applied to trace analysis. QuEChERS Application The international application...

Viernes 02 agosto 2019

Syringe filter is a kind of disposal filter cartridge, which is attached at the end of injector for using. It is optional to use syringe needles, if it is possible, it could be installed in the end. It is generally made of plastic shells and thin films which acts as filters. Due to...

Miércoles 31 julio 2019

Bag filter housings are multi-purpose filter equipment with the features of novel structure, small size, simple and flexible operation, energy saving, high efficiency, airtight work and strong adaptability. Otherwise, they are very convenient to replace the filter bags and there is...

Viernes 19 julio 2019

Bonded-phase chromatography is a liquid-liquid chromatography method in which a stationary phase is covalently bound to a carrier particle, which overcomes the mechanical shock in the distribution chromatography, the constant loss of the stationary phase and the gradual change of...

Viernes 12 julio 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...

Viernes 12 julio 2019

Cellulose Exaction Thimble For the cellulose exaction thimble (CET), parameters are mainly focused on the constitution, heating temperature. CET is usually made out of high-grade cellulose or seamless noble cellulose and lines of cotton, excluding any binding elements, which means...

Viernes 12 julio 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...

Miércoles 10 julio 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...

Lunes 08 julio 2019

What is the sample vial? Sample vials, also named as sampling bottles, purification bottles, aseptic bottles, clean bottles, filter bottles, etc., are essential for detecting pollution. According to International Standard, it is specially qualified for cleaning appliances so that...

Jueves 04 julio 2019

Flash column chromatography method is to separate the constituents from the mixture and thus purify it. In a word, flash column chromatography makes the samples go through the column which is filled with gel to achieve separation. In the beginning, the founder of flash column chromatography, Mr...

Domingo 23 junio 2019

Multi cyclone dust collector design CLK Diffusion Cyclone Dust Collector CLK diffusion cyclone dust collector is suitable for supplementing dry non-fibrous granular dust. The main feature is that the barrel body is inverted cone shape, thus reducing the possibility of dust gas from...

Domingo 23 junio 2019

Single-pulse bag filter is widely used in mining, electric furnace smelting, machinery manufacturing, chemical products, cement, building materials, grain processing and other industrial and mining enterprises warehouse top, bottom, belt transmission and local dust source dust. It...

Domingo 23 junio 2019

PPC type airbag pulse bag filter is a new product introduced by the American Fule Company. This type of dust remover can be widely used in glass installation, warehouse roof, cooked cooling machine and mill dust collection system in cement plants. Reverse air baghouse working principle...

Domingo 23 junio 2019

Dust collector accessory kit include cloth bag for bag filter, skeleton (bag cage), electromagnetic pulse valve, pulse controller, star-type unloading valve, etc., anode plate for electrostatic Dust collector, barbed wire, cathode and anode rapping, porcelain bottle, porcelain Shaft...

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...

Martes 11 junio 2019

Overview of The Technology Under the help of various permeable filter membranes, membrane technology provides engineering strategies to transport selected substances between two different portions. To speak in a general way, filter membranes technology is utilized in processing separating...

Miércoles 19 septiembre 2018

Salt is essential for life in general, and saltiness is one of the basic human tastes. Animal's tissue contains larger quantities of salt than plant tissues do. Salt is one of the oldest and most ubiquitous food seasonings, and salting is an important method of food preservation....