EXCHANGE - 1575 Annonces

Vendredi 20 septembre 2019

Solid phase extraction is essentially a liquid chromatographic separation. The main separation mode is the same as that of liquid chromatography. It can be divided into normal phase (the polarity of the adsorbent is greater than the polarity of the eluent), and the reverse phase (the...)

Jeudi 19 septembre 2019

Description of One Motor One Leg Electric Height Adjustable Standing Desk: One motor one leg electric adjustable standing desk is suitable for platform. Supported by YN-D07 environmental control box, it can be easily moved to the desired height by pressing a button on the controller...

Jeudi 19 septembre 2019

When you understand the functions of the lift standing desk, and the benefits of using the lift standing desk. We Shared how to choose a good lift standing desk, through which aspects to identify the advantages and disadvantages of lift standing desk frame. Finally, we need to share...

Mercredi 18 septembre 2019

Hawach SPE Cartridges are made of medical grade PP and forming in one time. Frits are made of UHMW-PE. There is a variety of models to choose, such as Normal Phase Cartridge, Reversed Phase Cartridge, Ion Exchanges Cartridge, Mixed Mode Cartridges and so on. Here, We would like to...

Samedi 14 septembre 2019

Led Truck is also called LED Advertising Truck, LED Billboard Truck, which is mainly design for advertising purpose. LED Advertising Truck include a truck chassis, large screen system, power supply system, and an operating system. It is widely used in publicity, product promotion...

Mercredi 11 septembre 2019

Quantité : 2000sqm/mo - Prix : 500~2000usd/sqm

LEDFUL fine pitch LED display Pitch P1.0, P1.2, P1.4, P1.5, P1.56, P1.66, P1.92, P2, P2.5 are providing solutions for dispatching center, command center, broadcasting room and TV center, meeting room, stock exchange, press conference, etc. Fine pitch cabinet has fully described the...

Mardi 10 septembre 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...

Lundi 09 septembre 2019

A commercial deck oven is a crucial piece of baking equipment when seeking to attain a beautiful, crusty loaf of bread. Having a quality deck oven is just as necessary for a bread bakery as heavy duty spiral mixer. While these ovens tend to take up more real estate in a bakery and...

Lundi 09 septembre 2019

A commercial deck oven is a crucial piece of baking equipment when seeking to attain a beautiful, crusty loaf of bread. Having a quality deck oven is just as necessary for a bread bakery as heavy duty spiral mixer. While these ovens tend to take up more real estate in a bakery and...

Samedi 31 août 2019

Quantité : 1 - Prix : 2000usd

Air swept coal mill is used for drying and grinding pulverized coal. It mainly consists of feeding device, main bearing, rotary part, transmission device, ballast device, high-pressure starting device and lubrication system. Raw materials are loaded into the mill by feeding equipment...

Mardi 27 août 2019

Quantité : MOQ 50 Pie - Prix : USD $ 139.99

Artisanat de Roshan du Cachemiri hauteur -15 pouces poids-1400gram matériel en laiton finition crome L'ARTICLE EST UNE REPRODUCTION NON VENDUE COMME UN ANTIQUE UN BON CADEAU À PRÉSENTER OU À UTILISER COMME UN GRAND COLLECTABLE Si vous avez des questions concernant l'article, envoyez-nous...

Mardi 27 août 2019

Quantité : MOQ 50 - Prix : 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...

Mardi 27 août 2019

Quantité : 50 - Prix : $ 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...

Dimanche 18 août 2019

Quantité : 1

FOS2 PRO MEDITECH FOs2pro Meditech handheld pulse oximeter, color monitor with SPO2 wave and pulse histogram display. Alarm sets to detect low voltage and abnormal SPO2 and Pulse Rate. Interference resistance capacity ensures a good stable operation.It is integrated with rechargeable Li battery...

Vendredi 16 août 2019

- Category - In terms of the filler type, SPE column can be divided into four applications of silicone bonding matrix, polymer matrix, absorption matrix and specialized columns. Besides, the silicone bonding has four sorts—antiphase(C18 sealing end/uncapped/hydrophile, C8), positive...

Lundi 12 août 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...

Lundi 12 août 2019

Solid phase extraction principle Solid phase extraction is a separation technique that combines selective retention, selective elution, and the like. When a complex sample solution passes through the sorbent, the sorbent selectively retains the aimed compound and a small number of...

Vendredi 09 août 2019

Quantité : at least 1 - Prix : 1.5~4800 USD

Dongjin AGM deep cycle battery is optimized for being discharged over a longer period of time. The specially designed plate formula increases cyclic life. With stable quality and affordable cost, our AGM deep cycle batteries are widely used in all ranged of energy storage. Advantages...

Jeudi 08 août 2019

Most common SPE cartridges are injection syringes made of polyethylene, in which there are two plugs made of polypropylene or fiberglass, with a certain amount of chromatographic adsorbent (filler) between the two plugs. SPE cartridges without sieve plate 1. Avoid “non-specific adsorption” 2...

Mardi 06 août 2019

Ion-exchange solid phase extraction is widely used in biological samples and environmental monitoring. During the extraction process, the pH of the sample is adjusted so that the solute is easily ionized. The solute is exchanged from the resin by changing the pH or increasing the...

Samedi 03 août 2019

SPE cartridge can be divided into three classes on the markets: silica-based cartridges, polymer-based cartridges, and adsorption-based cartridges. And here we talk about the three types of silica-based cartridges. The first type is the C18 cartridges. This kind of cartridges bond...

Jeudi 01 août 2019

As a core technology, JIUWU has become the largest ceramic membrane element producer and a world leader in cross-flow filtration. Electrodeionization (EDI) is a kind of pure water manufacturing technology which combines ion exchange technology , ion-exchange membrane technology and...

Jeudi 01 août 2019

Hawach standard diaphragm vacuum pump, with advanced design, high working efficiency, and long service life, is a new generation of high-tech integrated products. It is also used in medical and pharmaceutical products in addition to suitable applications for circulating water vacuum...

Mercredi 31 juillet 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...

Vendredi 26 juillet 2019

Constant fresh air in your home is an important aspect to maintain the indoor air quality. A good ventilation system will protect your family from unpleasant odos and harmful contaminants such as formaldehyde and VOCs. Opening window is a simply way to increase ventilation, it can...

Vendredi 26 juillet 2019

Thenow standing ductless energy recovery ventilator with ESP Syetem-CF Series has two types air supply mode,they are straight blow and pipe blow. 550CMH and 1000CMH air flows are available now. Features of Floor Standing Ductless ERV With ESP System LCD control with touch screen...

Vendredi 19 juillet 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...

Mercredi 10 juillet 2019

Hawach standard diaphragm vacuum pump, with advanced design, high working efficiency and long service life, is a new generation of high-tech integrated products. It is also used in medical and pharmaceutical products in addition to suitable applications for circulating water vacuum...

Mercredi 10 juillet 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...

Mardi 09 juillet 2019

Polymeric MCX SPE cartridges are used to extract strongly alkaline compounds. MCX is a mixed strong cation exchange adsorbent obtained by bonding sulfonic acid groups on highly crosslinked PS/DVB surface. It has both reverse phase and cationic exchange retentive properties and good...