ABSORBENT - 464 Anuncios

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;...

Viernes 09 agosto 2019

Dongjin AGM VRLA batteries are Valve Regulated Lead Acid battery with Absorbent Glass Mat separators. With stable quality and affordable cost, our AGM UPS batteries are widely used in all ranged of UPS, energy storage and telecommunication systems. Advantages of AGM VRLA battery Long...

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...

Martes 06 agosto 2019

Cantidad : 100000TM - Precio : 50USD

Uses of Diethanolamine Diethanolamine similar to triethanolamine (T775580) is used as a surfactant. It also has the potential to be a corrosion inhibitor by means of chemisorption. Definition of Diethanolamine ChEBI: A member of the class of ethanolamines that is ethanolamine having...

Jueves 01 agosto 2019

QuEChERs is a sample treatment and purification technology for the detection of multiple pesticide residues in high-water-content food. Because it simplifies the previously complex extraction procedures and expands the scope of the extracted pesticide residues, QuEChERs becomes an...

Martes 30 julio 2019

Since its birth, the QuEChERS method has been widely used in pesticide residue analysis due to its unique advantages and characteristics of fast, simple and cheap. Lehotay et al. established a method, which uses the QuEChERS method to treat samples and analyze 229 kinds of pesticides...

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...

Viernes 05 julio 2019

The product mainly includes two parts: extraction boxes and purification boxes. Extraction boxes include salt bags and 50 ml centrifugal tubes. Due to the high transportation cost of 50 ml centrifugal tubes and the general unacceptability of customer laboratories, more customers will...

Jueves 04 julio 2019

As an acronym for Quick, Easy, Cheap, Effective, Rugged and Safe, the method of QuEChERS achieves as a variety of sample preparation and clean-up techniques for the analysis of multiple pesticide residues in the field of agriculture. Originally designed for the analysis of fruits and vegetables...

Martes 02 julio 2019

The average sample addition recovery rate of QuEChERS method is higher than 85%, with fewer impurities interfering with the detection of the target substance, a small amount of solvent, simple and fast operation, which will be the preferred pretreatment method for routine detection...

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...

Jueves 20 junio 2019

Extraction is often susceptible to matrix interference. One analytical method is fine in this matrix but can become problematic in another matrix. If we encounter such a situation, how can we improve the QuEChERS method to overcome it? For pesticide residues, most of the food samples...

Jueves 13 junio 2019

Package 1 QuEChERS extracting pesticide residues from plants Extraction box: 50 ml centrifuge tube + AOAC/EN salt pack 2 kinds of buffer salts: General buffer salt for phase-separation and pH-adjustment; Anhydrous magnesium sulfate completely separates water in the matrix from the...

Viernes 07 junio 2019

QuEChERS method was originally applied to extract pesticides from fruits and vegetables. Whether under AOAC or EN stipulations, according to our products' Application and Test Report, we can see that the combination of salting out and d-SPE-purification in the initial liquid-liquid...

Miércoles 05 junio 2019

Hawach summarized the advantages of QuEChERS in eight aspects. 1. Recovery Rate QuEChERS technology has the advantage of high recovery rate. Experimental data show that the recovery rate of large quantities of polar and volatile pesticides by QuEChERS is above 85%. 2. Accuracy Laboratory...

Viernes 31 mayo 2019

Flash Columns Series Flash Columns produced by Hawachhas three series as follows. StarFlash Only silica gel columns are optional with another two types of standard and high-grade level which has higher purity degree and better quality than the former. PureFlash Corresponding to silica...

Sábado 27 abril 2019

Hawach Scientific Co., Ltd QuEChERS is a sample treating method, which means quick, easy, cheap, effective, rugged and safe. Our products include four types which are QuEChERS kit, QuEChERS extraction salts, QuEChERS dispersive SPE kit, QuEChERS dispersive absorbent, QuEChERS ceramic...

Jueves 21 febrero 2019

Cow Wipes 1.Dairy Wipes protect profits by helping control the spread of infectious mastitis. More sanitary than rags or sponges. 2.Cow Wipes provide a set of clean, absorbent prep towels for each cow, minimizing the chance of cross-contamination in the herd. 3.Udder Wipes Provides...

Domingo 20 enero 2019

Veterinary Gamgee Gamgee is 100% cotton wool with a non-woven cover. Low adherent surface so fibers won't stick to wound. Highly absorbent and strong. Ubicación : Block 8, Shangjing Masion, Panlongcheng Economic Development Zone, Huangpi District, 430300 Hubei, Persona a contactar ...

Domingo 20 enero 2019

Cotton Wool Roll 1.Absorbent Cotton Roll,is raw cotton which has been combed to remove impurities and then bleached. The texture of cotton wool is generally very silky and soft due to the special many times carding processing. 2.The cotton wool is bleached with high temperature and...

Martes 20 noviembre 2018

Cantidad : 60

Principe de fonctionnement de la machine d'épilation de laser de diode La technologie d'épilation au laser repose sur la dynamique sélective de la lumière et de la chaleur. Le laser traverse la surface de la peau pour atteindre la racine des follicules pileux; la lumière peut être...

Jueves 19 julio 2018

Precio : 1 million to 100 mil

Oil and gas refers to a combustible, explosive and poisonous gas mixture that is comprised of various volatile hydrocarbon components letting out through evaporative emission in the process of handling and storage of diversified oil products. If discharged directly, oil gas will not...

Jueves 19 julio 2018

Precio : 1 million to 100 mil

PIONEER has its own absorbent production base, which specializes in the production of various efficient absorbents and catalysts to be applied to the variable pressure absorption equipment. The production base is capable of producing 10,000 tons of absorbents each year, mainly including...

Miércoles 16 mayo 2018

Cantidad : 5000 Meter - Precio : US $15-40 / Meter

Product Description Product Name Floating Oil Spill Containment Booms Fabric PVC/PU/Rubber< /div> Fabric Color Yellow/Orange/Customized Application Oil Spill Control Section Length 15m/20m/25m/30m Connection< /span> ASTM Connector Size Customized Design...

Miércoles 16 mayo 2018

Cantidad : 6000Meters - Precio : US $20-70 / Meter

Product Description Silt curtains are floating barriers used in marine construction, dredging, and reclamation project to control the silt and sediment in a body of water. Silt curtains can be set up to keep construction areas in compliance and protect the environment. JXY Silt...

Lunes 05 marzo 2018

Cantidad : 2000 rolls - Precio : 0.8 - 2.5 usd per ro

Cotton Wool Roll Product Introduction Made by nature medical absorbent cotton .Packing: 1roll/blue kraft paper or polybag White, soft and high water-absorbing. No fluorescent agent, non-toxic, no stimulation, no sensitization. Also recommend cotton roll covered by other material as below...

Lunes 05 marzo 2018

Cantidad : 2000 rolls - Precio : 0.8 - 2.5 usd per ro

Cotton Wool Product Introduction Made by nature medical absorbent cotton .Packing: 1roll/blue kraft paper or polybag White, soft and high water-absorbing. No fluorescent agent, non-toxic, no stimulation, no sensitization. Also recommend cotton roll covered by other material as below...

Lunes 05 marzo 2018

Cantidad : 2000 rolls - Precio : o.8 - 2.5 USD per ro

Cotton Roll Product Introduction Made by nature medical absorbent cotton .Packing: 1roll/blue kraft paper or polybag White, soft and high water-absorbing. No fluorescent agent, non-toxic, no stimulation, no sensitization. The recommended items of the product: Cotton Wool, Cotton Roll...

Sábado 03 febrero 2018

Cantidad : >=100 - Precio : 3,96 €

La estera de baño Diatomite está hecha de fitoplancton antiguo (diatomeas) como materia prima, que tiene funciones de súper absorbente, desodorante antibacteriano, antideslizante, etc. No tendrá que preocuparse por mojar el piso después de salir de el cuarto de baño . Perfecto compañero de baño...