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Wednesday, September 11, 2019

Flash chromatography is one of the methods in the preparation of liquid chromatography and is usually used for the separation of organic compounds. Flash chromatography has the advantages of ease of operation, low cost, and fast analysis. There are few other techniques for purifying...

Wednesday, September 11, 2019

When storing the column, the column should be filled with acetonitrile or methanol, and the column joint should be tightened to prevent the solvent from evaporating and drying. It is absolutely forbidden to leave the buffer solution in the HPLC columns for an overnight or longer period of time...

Tuesday, September 10, 2019

According to the separation mechanism of substances, Chromatography can be divided into adsorption chromatography, distribution chromatography, ion exchange chromatography and the like. The operation mode of the adsorption thin layer chromatography refers to that the adsorption capacity...

Saturday, September 07, 2019

There are bubbles in the mobile phase, the pump is turned off, the pressure relief valve is opened, the purge button is turned on, the degas is cleaned, the bubbles are continuously ejected from the HPLC column, and the mobile phase enters the mobile phase. No matter how many times...

Friday, September 06, 2019

Quantity : 1000 - Price : 100USD-10000USD

Webster Hardness Tester W-B92 W-B92 series Webster hardness tester for stainless steel can quickly test the hardness of stainless steel on site. It is convenient to operate,and as long as clamping the test can be finished. The hardness value can be read directly with high efficiency...

Tuesday, September 03, 2019

Chemical properties of the chromatographic column could affect the performance of the C18 HPLC column. Performance factors of C18 HPLC columns: bonding type Single tooth bonding can improve the mass transfer rate and accelerate column balance. Double tooth bonding can increase the...

Friday, August 30, 2019

Quantity : 100-1,000, - Price : 20s

HDI boards, one of the fastest growing technologies in PCBs, are now available at Eolane SCM. HDI interconnect board contains blind and/or buried vias and often contains microvias of .006 or less in diameter. They have a higher circuitry density than traditional circuit boards. There...

Wednesday, August 28, 2019

Quantity : 800 set/mo - Price : 200USD

Features of Remote Control Parking Lock Model No. ZOJE-PL103 • Parking space lock is designed to provide parking for the general public, as well as for drivers with special privileges and needs. Keep your private parking space reserved, make sure that customers get car parking convenience...

Tuesday, August 27, 2019

Quantity : MOQ 50 Pie - Price : USD $ 139.99

Roshan handicrafts Pure Brass Handicrafts Kashmiri Hookah hight -15 inch weight-1400gram material- brass finishing- crome ITEM IS REPRODUCTION NOT SOLD AS AN ANTIQUE A NICE GIFT TO PRESENT OR USE AS A GREAT COLLECTABLE If you have any question regarding item, please mail to us....

Tuesday, August 27, 2019

Quantity : MOQ 50 - Price : 119.99 €

Roshan handicrafts Metal Decor Tree Wall Pocket Mount 5 Candle holder Stand no candle Glass Botile Made in India Handmade: Yes Material: Metal Us : Home Decoration Metal Type: Iron Matching Candle: Small Tealight Type: Wall Mounted Color: Black Size: 60 cm,25 inch weight : 600 gram Shape...

Tuesday, August 27, 2019

Quantity : 50 - Price : $ 139.99

Roshan handicrafts Pure Brass Handicrafts Kashmiri Hookah hight -15 inch weight-1400gram material- brass finishing- kashmiri ITEM IS REPRODUCTION NOT SOLD AS AN ANTIQUE A NICE GIFT TO PRESENT OR USE AS A GREAT COLLECTABLE If you have any question regarding item, please mail to us...

Tuesday, August 27, 2019

Quantity : 1PCS - Price : 28-38USD

Overview WEM3080T is a Din rail, 3 phase energy monitoring devices. It can be easily installed and fit neatly inside your electricity panel, and provides insight into your energy consumption and analysis through our dedicated Online Energy Consumption Monitoring System (https://www...)

Saturday, August 24, 2019

Quantity : 500KK/Mont - Price : USD 3.1 Above

Compared with DC LED modules, DOB(driver on board) Series module doesn't need to connect external driver so that it can help to reduce the circuit cost and the size of luminaires. It is more convenient for luminaire design with DOB Series module. With smart lighting dimming system...

Friday, August 23, 2019

Quantity : sur demand - Price : suivant l'article

Hello , IFRISOL is a manufacturer of Polycrystalline and Monocrystalline PV panels from Tunisia, eager to develop clean energy solutions and seeks to build strong relationships with partners who share our commitment to advance the solar PV industry. We believe that solar power sources...

Friday, August 23, 2019

At present, railway construction, highway construction, mining, water conservancy and other industries are developing rapidly, and the development of these industries has led to an economic industrial chain, such as repairing highways, repairing railways, buildings, etc., using cement...

Friday, August 23, 2019

Price : 2 180,00 €

Bonjour ma chère, je suis Mie Trinh, travaillant pour Vilaconic, un fabricant vietnamien et exportateur de POIVRE, DE GRAINS DE CAFÉ ET DE FOUET DE MANIOC. Mie Trinh / Sales Sales Mobile: +84 972678053 (Whatsapp / Skype) Email: mie.vilaconic@gmail.com// sales1@rice-spices.com Ravi...

Friday, August 23, 2019

Price : 2 180,00 €

Bonjour ma chère, je suis Mie Trinh, travaillant pour Vilaconic, un fabricant vietnamien et exportateur de POIVRE, DE GRAINS DE CAFÉ ET DE FOUET DE MANIOC. Mie Trinh / Sales Sales Mobile: +84 972678053 (Whatsapp / Skype) Email: mie.vilaconic@gmail.com// sales1@rice-spices.com Ravi...

Thursday, August 22, 2019

Rem ote control parking post is designed to provide parking for the general public, as well as for drivers with special privileges and needs. Keep your private parking space reserved, make sure that customers get car parking convenience and car security. It's designed to preserve...

Friday, August 16, 2019

NH2 HPLC columns refer to the chromatographic columns that use silica gel as matrix carrier to bond amino groups. They are usually used for the analysis of carbohydrate compounds, and the mobile phase is usually methanol, acetonitrile and buffers salt solution. - The cleaning method...

Thursday, August 15, 2019

Glass solvent filters are used for solvent particle removal and water phase mobile phase filtration. All components of glass solvent filters in contact with solvents are made of chemically inert glass or PTFE materials, which are used in combination with regenerated cellulose (RC)...

Wednesday, August 14, 2019

Quantity : 100 - Price : 1,00 €

Produit neuf jamais utilisé Cette station permet de produire du ballast et des produits routiers ou bétons. Concassage mobile depuis un 0/800 calcaire en 0/31,5. Neuf modèles avec capacités de 20-50 tph, 30-60 tph, 50-100 tph, 60-150 tph, 80-150 tph, 60-100 tph, 120-200 tph, 100-175...

Wednesday, August 14, 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...

Wednesday, August 14, 2019

Physical properties of the chromatographic column could affect the performance of C18 HPLC columns. - Performance factors of C18 HPLC columns: - Silica gel purity Class A silica gel has high residual silica hydroxyl with a negative charge and high metal content on the acidic surface...

Tuesday, August 13, 2019

Syringe filter is suitable for filtering a small number of samples in the laboratory because of its low adsorbability. The low adsorbability ensures a large amount of recovery of small or high-value samples. The shell of the filter will not pollute the samples. It has stable quality...

Monday, August 12, 2019

The rapid chromatographic method is a technology widely used in the separation and purification of active target compounds, such as organic compounds, natural products, and biological macromolecules. Rapid chromatographic method has the advantages of easy-operation, low-price, and fast-analysis...

Monday, August 12, 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...

Sunday, August 11, 2019

ABOUT SCINTILLA KREATIONS SCINTILLA KREATIONS is more than two decades old production company with a visionary cinematic craftsman at its helm – Mr. Sateesh Kumar, who has more than two decades of expertise in the visual media and broadcast industry. A fully integrated film production...

Sunday, August 11, 2019

From "removing and dismantling" to "construction", what can construction waste do when it is crushed? In recent years, with the acceleration of urbanization, projects such as road construction, building expansion, old city reconstruction, and infrastructure projects have been increasingly...

Saturday, August 10, 2019

Quantity : At least o - Price : 50-150000 USD

ELECTRIC LIFT TABLE DPS35 Hydraulic lift/scissor lift/mobile lift platform; Lift hight: 4-20M; Load: 300/500/1000kg; Power: 380v/220v; electric hydraulic scissor lift table is the professional high-altitude operation equipment. ELECTRIC LIFT TABLE DP30/DP50 Low profile Electric lift Table...

Saturday, August 10, 2019

Quantity : Proofing b - Price : 200-1500CNY

HDI PCBs, one of the fastest growing technologies in PCBs, are now available at PCBSky. HDI PCBs contain blind and/or buried vias and often contain microvias of .006 or less in diameter. They have a higher circuitry density than traditional circuit boards. There are 6 different types of HDI PCBs...