METHANOL - 134 Annonces

Jeudi 04 juillet 2019

C8 HPLC columns are used to isolate many organic compounds, which are one of the reversed phase silica gel columns. The maintenance of C8 HPLC columns requires organic solvents. Chromatographic grade methanol is recommended and different brands of chromatographic columns should be...

Mardi 02 juillet 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...

Vendredi 28 juin 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...

Jeudi 13 juin 2019

NH2 HPLC columns can be used in the positive phase or in the negative phase, but it should be noted that the positive phase solvent and the negative phase solvent are usually not mutually soluble. New NH2 HPLC columns are preserved in the positive phase environment under normal circumstances...

Jeudi 19 juillet 2018

Prix : 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...

Jeudi 19 juillet 2018

Prix : 1 million to 100 mil

There are nearly 400 calcium carbide manufacturing enterprises in China at present whose total annual productivity exceeds 15 million tons. More than 15 billion m3 tail gas of calcium carbide furnace is produced in China every year. It mainly contains CO (75%~90%) which is total If...

Jeudi 19 juillet 2018

Prix : 1 million to 100 mil

Using the independently-developed and high-efficiency PSA-H2 adsorbent, PIONEER's rapid, low consumption and high-efficiency PSA-H2 process has the following features, low investment and operating cost, high purity and recovery of gas product, flexibility of feed gas and easy load regulation...

Mardi 06 février 2018

Quantité : 10 sets pe - Prix : 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. -...

Dimanche 04 février 2018

Quantité : 1 kg - Prix : $30-125

Description Chinese ginseng has a history of herbal use going back over 5,000 years. It is one of the most highly regarded of herbal medicines in the Orient, where it has gained an almost magical reputation for being able to promote health, general body vigour and also to prolong life...

Dimanche 21 janvier 2018

Quantité : 1 TONS - Prix : 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...

Mardi 09 janvier 2018

Quantité : 1 kg - Prix : $30-125

Chinese ginseng has a history of herbal use going back over 5,000 years. It is one of the most highly regarded of herbal medicines in the Orient, where it has gained an almost magical reputation for being able to promote health, general body vigour and also to prolong life. The genus...

Mardi 19 décembre 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...

Mardi 11 avril 2017

Production Name: Huperzine A Huperzia serrata extract Original plant: Huperzinaserrata(Thumb.)Trev Specification: 1%,5%,98% Test Method: HPLC Molecular Formula: C15H18N2O Molecular Weight: 242.32 CAS No: 102518-79-6 Melting Point: 214~215°C Soubility: Soluble in Chloroform,Methanol...

Samedi 01 avril 2017

Resveratrol (3,5,4′-trihydroxy-trans-stilbene) is a stilbenoid, a type of natural phenol, and a phytoalexin produced by several plants in response to injury or when the plant is under attack by pathogens such as bacteria or fungi. Sources of resveratrol in food include the skin of grapes...

Samedi 01 avril 2017

Resveratrol (3,5,4′-trihydroxy-trans-stilbene) is a stilbenoid, a type of natural phenol, and a phytoalexin produced by several plants in response to injury or when the plant is under attack by pathogens such as bacteria or fungi. Sources of resveratrol in food include the skin of grapes...

Samedi 25 mars 2017

Quantité : Best - Prix : 210-230USD/Kg

High quality giant knotweed extract/giant knotweed extract bulk resveratrol Resveratrol (3,5,4′-trihydroxy-trans-stilbene) is a stilbenoid, a type of natural phenol, and a phytoalexin produced by several plants in response to injury or when the plant is under attack by pathogens...

Mercredi 26 octobre 2016

1-(4-Bromobenzyl)-2-butyl-4-chloro-1H-im idazole-5-methanol 151012-31-6 C15H18BrClN2O 357.68 white crystalline powder ≥98% intermediate of Losartan 25KG/DRUM Localisation : NO.108 ShenJiaLi Road,Shushan Street, 311215 hangzhou, Personne à contacter : eason zhu, 86 571 82609104

Vendredi 02 septembre 2016

Prix : 10,00 €

Name: alpha-cyclodextrin Other name : α-cyclodextrin ; cyclomaltohexaoseAbbreviation : ACDCAS: 10016-20-3Molecular formula : C36H60O30Molecular weight: 972.84Solubility(in 100cm3 solvent, at 25℃) : water: >10g Methanol: <1.0g DMSO: >10gQaulity ： Pharma grade / food grade...

Mercredi 04 mai 2016

Micro Flow Meter Flow range and Connection Model Flow range Connection CX-M2 0.5~150 ml/min G1/8 female thread CX-M3 1-300 ml/min G1/8 female thread CX-M5 5-1000 ml/min G1/8 female thread CX-M6 0.5-100 l/H G1/4 female thread CX-M9 5-550 l/H G1/4...

Mercredi 04 mai 2016

- Micro Flow Meter - - Flow range and Connection - Model Flow range Connection CX-M2 0.5~150 ml/min G1/8 female thread CX-M3 1-300 ml/min G1/8 female thread CX-M5 5-1000 ml/min G1/8 female thread CX-M6 0.5-100 l/H G1/4 female thread CX-M9 5-550...

Mercredi 04 mai 2016

- Micro Flow Meter - - Flow range and Connection - Model Flow range Connection CX-M2 0.5~150 ml/min G1/8 female thread CX-M3 1-300 ml/min G1/8 female thread CX-M5 5-1000 ml/min G1/8 female thread CX-M6 0.5-100 l/H G1/4 female thread CX-M9 5-550...

Mercredi 04 mai 2016

- Micro Flow Meter - - Flow range and Connection - Model Flow range Connection CX-M2 0.5~150 ml/min G1/8 female thread CX-M3 1-300 ml/min G1/8 female thread CX-M5 5-1000 ml/min G1/8 female thread CX-M6 0.5-100 l/H G1/4 female thread CX-M9 5-550...

Mercredi 04 mai 2016

Localisation : Rm613, Jiahe Sunny Plaza, No.76 JiuTing Road, Songjiang District, Shanghai, P.R. China.Zip:201615, 201615 shanghai, Personne à contacter : Michael Luo, +15 0 00 08 75 45

Mardi 22 mars 2016

Quantité : 1-1000

Dresser Wayne Fuel Dispenser Filter WEBSITE: www.haolxfiltration.com TEL: 86-318-7061221 E-MAIL: candy@filter-cn.com Category: Service station filter Material: stainless steel 304 316,wood pulp filter paper,aluminium wire... Properties: Application: for use on above ground storage tanks...

Mardi 22 mars 2016

WEBSITE: www.haolxfiltration.com TEL: 86-318-7061221 E-MAIL: candy@filter-cn.com Cim-Tek 400 Series Fuel Filters For Gilbarco Dispenser: Application: Application of 300/300MG And 400/400MG : Particulate contaminant removal; Compatible with gasoline, diesel, ethanol, and methanol...

Mardi 22 mars 2016

Quantité : 1-1000

WEBSITE: www.haolxfiltration.com TEL: 86-318-7061221 E-MAIL: candy@filter-cn.com TOKHEIM Fuel Filter: Application: Particulate filtration For use with diesel, gasilne , and ethanol or methanol blends up to 10% Use with low-volume commercial power pumps For use on above ground...

Mardi 22 mars 2016

Quantité : 1-10000

- WEBSITE: www.haolxfiltration.com TEL: 86-318-7061221 E-MAIL: candy@filter-cn.com - Service Station Petrol Pump Filter Standard: 1 1/2-16UNF ; 1''-12UNF Material: imported filter paper, stainless steel Function: suction Filter Structure: cartridge Filter Benefits: Assure...

Jeudi 14 janvier 2016

Quantité : MOQ:1box - Prix : Negotiable

Storage Conditions l The kit shall be stored at [2-8 ℃]. Expiry date: 12 months l The opened Microelisa Stripplate can be stored at [2-8 ℃] and avoid damp. Use for at least 2 months. Introduction The test kit is detecting for the quantitative analysis of Aflatoxin B1 in cereals...

Mercredi 22 avril 2015

- - Localisation : NO.7 Groups of Caojiapeng Neighborhood Committee | Economic and Technological Development Zone of Shimen | Changde | Hunan | China, 410000 changde, Personne à contacter : zoe zangwill, 86 731 88702791

Vendredi 14 novembre 2014

CAS No.: 62-53-3 Other Names: AMINO BENZENE MF: C6H7N EINECS No.: 200-539-3 Place of Origin: Shandong China (Mainland) Purity: 99.9% Appearance: clear to light yellow, oily liquid Odor: Aromatic. Amine like. Taste: Burning. Molecular Weight: 93.13 g/mole Color: Colorless...