EXCHANGE - 1608 Annonces

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

Quantité : 1Set - Prix : 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...

Sunday 16 June 2019

OMS skid-mounted (Organic Membrane Filtration System) refers to a form of overall combination of equipment frame and whole equipment. It means that a group of equipment is fixed on the chassis and can be used after moving. It is not necessary to install valves and instruments in the middle...

Friday 14 June 2019

Hawach introduced the properties and application range of HPLC column stationary phase in the silica gel matrix. Silica gel matrix: Silica gel, weakly acidic, has a strong memory, used to separate non-polar, weakly acidic compounds, oils, etc.; C18, a silica-based uncapped reversed-phase...

Tuesday 11 June 2019

Solid phase extraction (SPE) is a separation process by which compound that is dissolved or suspended in a liquid mixture, thereby being separated from other compounds in the mixture according to their physical and chemical properties. There are 4 general functions as below: 1.Matrix...

Thursday 06 June 2019

As one of the useful sample preparation technique, solid phase extraction can prevent many problems, such as incomplete phase separations, recoveries with poor quantity, waste of expensive fragile glassware, and extra disposal of organic solvents, which you may occur if you use the...

Wednesday 05 June 2019

A diaphragm vacuum pump is mainly used in the fields of medical and pharmaceutical product analysis, fine chemicals, biochemical pharmacy, food inspection, public security criminal investigation technology, etc. The advantages of a diaphragm vacuum pumps 1. Advanced design and technique...

Tuesday 04 June 2019

Vous venez de découvrir un fournisseur de boissons direct d'espagne réservé aux professionnels - Jus de fruits, vins, cavas, lait de soja, boissons lactées Prix exwork Catalogne pour Europe ou port de Valencia Espagne pour Afrique Produits avec DLUO +11 mois sorti usine Demander...

Monday 20 May 2019

Retains the full counter-current heat exchange characteristics of the detachable plate heat exchanger, which is 3-5 times more efficient than the traditional shell-and-tube heat exchanger. There are no gaskets on the original semi-welded heat exchanger. Depending on the application...

Monday 20 May 2019

AMOBILE mobile heat exchange station is a revolutionary innovation in the heat exchanger station construction. According to the different requirements of custom designs and the combination of lower construction costs and cycle work to achieve an unmanned heat supply. Integrated design...

Tuesday 30 April 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...

Sunday 28 April 2019

- Intercooler - Intercoolers are generally only visible when a turbocharged car is installed. Because the intercooler is actually a turbocharged accessory, its function is to improve the engine's ventilation efficiency. For supercharged engines, the intercooler is an important component...

Tuesday 02 April 2019

- Sunchi DC Inverter Heat Pump Hot Water Heater Inverter - DC inverter home using hot water heat pump boiler, 5kW with 200L tank produce 55℃ hot water, max 60 hot water, 220V ~50Hz/60Hz power supply. - DC Inverter Heat Pump Water Heater Overview - This inverter heat pump water heater...

Monday 01 April 2019

- Sunchi DC48V 100% Solar Air Conditioner ( Off Grid Working ) - Off-grid running, need battery, charge controller, solar PV panel, this 100 solar powered air conditioner can offer running 8hours, 12hours, 18hours, 24hours off the grid. - Off Grid Solar Air Conditioning Overview...

Monday 01 April 2019

Heat pump is an energy-saving device that uses high-grade energy to make the heat flow from the low-grade heat source to the high-grade heat source. As air is the low-grade heat source of the heat pump, the air source heat pump system has neither cooling water system and cooling water...

Tuesday 26 February 2019

Organic membrane module is a complete unit composed of the membranes, housing, feed inlet, concentrate outlet, and permeate outlet. Organic membrane modules may contain different membrane configurations, including spiral and hollow fiber membrane. Organic membrane module is a complete...

Sunday 06 January 2019

Penglai Huande Steel Valve CO., LTD is a Ball Valve Manufactruer specialized in the design, development, and production of stainless steel ball valves. It has many production lines such as Lost-wax investment casting, CNC machine, and assembly inspection etc. And, it had passed the...