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Tuesday 27 August 2019

Cantidad : MOQ 50 - Precio : 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 27 August 2019

Cantidad : 50 - Precio : $ 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...

Sunday 18 August 2019

Cantidad : 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...

Friday 16 August 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...

Monday 12 August 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...

Monday 12 August 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...

Friday 09 August 2019

Cantidad : at least 1 - Precio : 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...

Thursday 08 August 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...

Tuesday 06 August 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...

Saturday 03 August 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...

Thursday 01 August 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...

Thursday 01 August 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...

Wednesday 31 July 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...

Friday 26 July 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...

Friday 26 July 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...

Friday 19 July 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...

Wednesday 10 July 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...

Wednesday 10 July 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...

Tuesday 09 July 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...

Monday 08 July 2019

Description of One Motor One Leg Electric Height Adjustable Standing Desk: One motor electric adjustable standing one leg 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...

Monday 08 July 2019

SPE Technique Introduction SPE(Solid-phase Extraction), is an increasingly popularized technology of sample pretreatment, which is established on the basis of traditional LLE(Liquid-liquid Extraction). Combined with the substance interaction mechanism that like dissolves like, and...

Monday 08 July 2019

HPLC is the separation of sample components between the column packing and the mobile phase for mass exchange. Therefore, the mobile phase is required to have the following characteristics: a. the flow relative to the sample has a certain solubility, to ensure that the sample components...

Sunday 07 July 2019

Microcomputer control, cascade temperature controller, digital temperature display, the regulation of unit 0.1℃, inside the temperature range -20 ℃ ~ -125 ℃ adjustable. Multi-safety protection, more reliable operation. France TECUMSEH compressor, Germany DANFOSS compressor, EMERSON compressor...

Friday 05 July 2019

Hawach scientific is a professional vacuum pump manufacturers, product quality through a number of international standards, and exported to more than 120 countries all over the world. More detail information and quotation about the products contact with info@hawach.com. Diaphragm...

Thursday 04 July 2019

Cantidad : 1Set - Precio : USD $13800

Specifications: 30HP Drez central air conditioner Model DZ-GAC/30HP Function Mode Cooling Power Supply 220V~480V / 3N / 50HZ/60HZ Input Power 34kw Cooling Capacity 87kw(28ton, 336000btr/hr) Cooling Area 240-360㎡ Air volume 1,5000m³(8,820CFM) Running Current 68A ...

Thursday 04 July 2019

Activation, also known as solvation, add a suitable solvent to expand the functional groups on the adsorbent and remove possible interferences on the adsorbent. Equilibrium, remove the activated solvent to create a suitable solvent environment for sampling. Usually, use the same solvent...

Friday 21 June 2019

Normally SPE cartridge has two basic adsorption modes: target compound adsorption mode, impurity adsorption mode; 5 operation modes: gravity operation, manual positive pressure, centrifuge, negative pressure and positive pressure mode. Now let's review the whole process step by step...

Tuesday 18 June 2019

1. To save water resources, it is possible to use the glycol-water mixture to carry out circulating refrigeration, strict circulation pipeline design, prevent circulating water pollution, and prolong the use time of circulating water; 2. Original imported compressor, overlapping supercooled...

Tuesday 18 June 2019

The primary feature of the vacuum filtration that it uses the classical oil-free pump with sand core filter bottle combination, which is suitable for most Laboratory filtration needs of universal filtering products. The characteristics of this product will be described in detail below...

Tuesday 18 June 2019

The main components of Wuxi Top Asia with German import parts, excellent performance, fast temperature rise, good reliability, is ideal for the equipment of the environmental testing laboratory. At present, the company's products have been sold well in Britain, Germany and France...