ETHER - 288 Anuncios

Lunes 09 diciembre 2019

During extraction, the sample to be tested is placed in the cellulose extraction thimble and put into the extraction tube. Petroleum ether was added into the extraction bottle, heated the extraction bottle, and petroleum ether was gasified. It rose into the condenser from the connecting tube...

Martes 26 noviembre 2019

What is LPG transport truck LPG transport truck also known as LPG transport vehicles, LPG tank truck, LPG transporting tanker. It is used to transport propane, propylene, dimethyl ether, liquid ammonia, methyl amine, acetaldehyde and other liquefied gases of the special automobile...

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...

Martes 29 octubre 2019

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

What is cmc in food Description of Food Grade CMC Sodium carboxymethyl cellulose (CMC/cellulose gum) is kind of cellulose ether, can easily soluble in cold and hot water, with maximum yield, most widely and conveniently used among all cellulose products. The main raw material of e466...

Lunes 30 septiembre 2019

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

What is cmc in food ？ Description of Food Grade CMC Carboxymethyl cellulose cmc(CMC/cellulose gum) is kind of cellulose ether, can easily soluble in cold and hot water, with maximum yield, most widely and conveniently used among all cellulose products. The main raw material of CMC...

Lunes 30 septiembre 2019

HPLC columns are widely used in many fields, whose column efficiency, capacity, permeability characteristics, and service life are very important. After using for a period of time, there will be changes such as column pressure increase, column efficiency decrease, etc. If no measures are taken...

Domingo 29 septiembre 2019

There are many types of chromatographic methods, and different classification methods can be used from different perspectives. Classification from the state of two phases. In the chromatography, the mobile phase may be a gas or a liquid, and thus can be classified into gas chromatography...

Sábado 28 septiembre 2019

Depending on the packing of the HPLC column. The following column types are available on the market: 1. Silica gel HPLC column: Silica gel is the earliest chromatographic column packing used in liquid chromatography. It has a wide range of applications. However, it can only be used...

Sábado 14 septiembre 2019

What is LPG transport truck LPG transport truck also known as LPG transport vehicles, LPG tank truck, LPG transporting tanker. It is used to transport propane, propylene, dimethyl ether, liquid ammonia, methyl amine, acetaldehyde and other liquefied gases of the special automobile...

Martes 10 septiembre 2019

Cantidad : 20,000 ton - Precio : 2.4-2.9$/kg

Description of Food Grade CMC Sodium carboxymethyl cellulose (CMC/cellulose gum) is kind of cellulose ether, can easily soluble in cold and hot water, with maximum yield, most widely and conveniently used among all cellulose products. The main raw material of CMC is refined cotton and wood pulp...

Sábado 07 septiembre 2019

Precio : 2.4usd

Description of Food Grade CMC Sodium carboxymethyl cellulose (CMC/cellulose gum) is kind of cellulose ether, can easily soluble in cold and hot water, with maximum yield, most widely and conveniently used among all cellulose products. The main raw material of CMC is refined cotton and wood pulp...

Miércoles 14 agosto 2019

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

Description of Food Grade CMC Sodium carboxymethyl cellulose (CMC/cellulose gum) is kind of cellulose ether, can easily soluble in cold and hot water, with maximum yield, most widely and conveniently used among all cellulose products. The main raw material of CMC is refined cotton and wood pulp...

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 03 agosto 2019

Cantidad : 1000TM - Precio : 50USD

CAS No. 141-32-2 Butyl acrylate is a colorless liquid insoluble in water and miscible in ethanol and ether. It is mainly used as an organic synthesis intermediate, adhesive, and emulsifier. However, it is also a dangerous product that is harmful to the body through inhalation, oral...

Miércoles 31 julio 2019

Solid phase extraction (SPE), developed in the 1970s, can replace the traditional liquid-liquid extraction in many fields and has been applied more and more widely in the laboratory. The common solvent of SPE Hexane, isooctane, tetrahalide carbon, trihalomethane, dihalomethane, tetrahydrofuran...

Jueves 04 julio 2019

(1) When loading and unloading or replacing the HPLC columns, the action should be light and the joint should be tightened properly. Strong mechanical vibration must be prevented to avoid voids in the bed. (2) If the instrument is used for routine analysis, the sample type is limited...

Martes 02 julio 2019

The key to regenerating contaminated HPLC columns is to know the nature of the contaminants and to find the right solvent to remove. If contamination is caused by the accumulation of strongly retained materials during repeated injections, simple steps to remove these contaminants...

Viernes 21 junio 2019

The material of the nylon membrane filter is aliphatic nylon. It has good hydrophilicity, the appropriate concentration of acid and alkali resistant, and applies not only acid and alkaline aqueous solution, but also suitable for organic solvent, such as s, hydrocarbon, ethers, esters...

Viernes 14 junio 2019

a. Application PP membrane filter is used to filter out bacteria and particles from the liquid in the pharmaceutical, electronic and biological manufacturing industry, brewing, clocks and watches, medical oil, lubricating oil, the fuel oil industry, and a scientific laboratory. Generally...

Miércoles 13 febrero 2019

Ether amine is one kind of colorless or pale yellow liquids, and ether amine has a weak irritating ammonia smell. Ether amine is not easy to dissolve in water but is easily soluble in chloroform, ethanol, ether, and benzene. Ether amine has alkaline and reacts with acid to form ammonium salt...

Domingo 21 enero 2018

Cantidad : 1 TONS - Precio : NEGOTIATION

Tetrabromobisphenol A bis (2, 3-dibromopropyl ether) (BDDP) CAS No.: 21850-44-2 Formula: C21H20Br8O2 Molecular Weight: 943.62 Chracteristics: It is white powder, Soluble in dichloromethane, toluene, acetone and insoluble in water and methanol Usage: It is mainly used for plastics...

Martes 19 diciembre 2017

- Hydroxy Propyl Methyl Cellulose - Huamao® has a lot of kinds of HPMC, according to your requirements, we can customize the production of viscosity 5~250,000 (NDJ-4, 2% aqueous solution, 25℃), different gel temperature of HPMC. And for different applications, we develop special putty...

Martes 19 diciembre 2017

- L–1,4-BDO - - Introduction - CAS: 110-63-4Molecular formula: C4H10O2Molecular weight: 90.12 - Product Properties - The flammable liquid of colorless and oil-state in nature, it can be dissolved and mixed in water, methanol, ethanol, acetone and slightly soluble in ethyl ether...

Sábado 04 noviembre 2017

The rapid extraction of oil and oil is specially used to quickly obtain the oil content of the top and similar materials. Through the container and evaporation, it can detect the grease and oil content of wool and synthetic fiber samples. You can optionally use the 1, 2 or 3 extraction...

Martes 12 septiembre 2017

Rapid Grease Extraction Apparatus Testing Standards of Rapid Grease Extraction Apparatus: Edana method ERT 155 Applications: Rapid Grease Extraction Apparatus is designed to determine the grease or finish content of wool or synthetic samples by solvent percolation and evaporation...

Sábado 12 agosto 2017

BASF Laroflex MP-60, MP-45, MP-35, MP-25, MP-15 counter types Product Name: Copolymer of vinyl chloride and vinyl isobutyl ether Specifications: Item MP-15 MP-25 MP-35 MP-45 MP-60 1. Apperance White powder 2. Viscosity, mpa.s 15±5 25±5 35±5 45±5 60±5 3. Chlorine content, % 44...

Martes 11 abril 2017

Product name: Horse Chestnut Extract Latin name: Aesculus hippocastanum L. Active ingredient: Aescin Specification: 98%,4: 1,7: 1,12: 1 CAS NO. : 6805-41-0 EINECS: 229-880-6 Appearance: Yellow brown powder Molecular weight: 1131.26 Molecular formula: C55H86O24 Boiling Point(°C): 1140...

Martes 14 febrero 2017

Cantidad : EEP Cas No - Precio : as negotiated

EEP( Ethyl 3-Ethoxypropioate) EEP has been widely used in coating, it is high performance ,low volatility ether ester solvent, has wonderful solubility for most of resin of coating.EEP contains ether ester active group and propionyl group, linear structure , propionyl group, these...

Martes 14 febrero 2017

Cantidad : Ethyl 3-et - Precio : as negotiated

Ethyl 3-ethoxypropionate; Propinicacid ,3- ethoxy, ethyl ester(6CI,7CI.8CI); 3-Ethoxypropionic acid ethyl ester ,Ektapro EEP, Description: EEP (Ethyl 3-Ethoxypropionate )has been widely used in coating ,it is high performance , low valatility ether ester solvent, has wonderful...

Miércoles 28 diciembre 2016

Zinc Stearate Dioxide rendered lightweight fine white powder, flammable, ignition point 900 ℃, with a warm smell, a density of 1.095g / CM3. Insoluble in water, , ether, soluble in hot ethanol, turpentine, benzene and other organic solvents and acids. It will be heated and dissolved...