GROUPS - 5761 Annonces

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...

Vendredi 02 août 2019

Quantité : 10 - Prix : 20,00 €

ORGANICA GROUPE , le leader de l'exportation de l'huile d'argan et des cosmétiques naturels du Maroc. Nous sommes des fabricants et exportateurs de produits cosmétiques organiques naturels à base d'huile d'argan 100% pure CCPB et USDA. Nos nombreuses années d'expérience nous ont permis...

Samedi 20 juillet 2019

Standard IEC/EN60898-1 GB/T10963.1 Instantaneous trip type B/C/D The number of poles 1P/1P+N/2P/3P/3P+N/4P Rated short circuit breaking capacity Icn 10kA Rated working current In 1-63A Rated working voltage Ue AC 230/400V Rated operating frequency 50/60Hz Rated insulation voltage...

Samedi 20 juillet 2019

Standard IEC/EN60947-3 GB/T14048.3 Rated working current In 32-125A Rated working voltage Ue AC 230/400V The number of poles 1P/2P/3P/4P Rated operating frequency 50/60Hz Rated insulation voltage Ui AC 500V Rated impulse withstand voltage Uimp 4kV Mechanical/electrical life 8000/1500...

Vendredi 19 juillet 2019

Standard IEC/EN61009-1 GB/T16917.1 Instantaneous trip type B/C/D The number of poles 1P+N Rated short circuit breaking capacity Icn 6kA Leakage protection trip type Electronic /Electromagnetic Rated working current In 6-40A Rated working voltage Ue AC 230/400V Rated operating frequency...

Vendredi 19 juillet 2019

Standard IEC/EN60898-1 GB/T10963.1 Instantaneous trip type B/C/D The number of poles 1P/1P+N/2P/3P/3P+N/4P Rated short circuit breaking capacity Icn 6kA Rated working current In 1-63A Rated working voltage Ue AC 230/400V Rated operating frequency 50/60Hz Rated insulation voltage Ui...

Vendredi 19 juillet 2019

Standard IEC/EN60947-3 GB/T14048.3 Rated working current In 32-125A Rated working voltage Ue AC 230/400V The number of poles 1P/2P/3P/4P Rated operating frequency 50/60Hz Rated insulation voltage Ui AC 500V Rated impulse withstand voltage Uimp 4kV Mechanical/electrical life 8000/1500...

Vendredi 19 juillet 2019

Standard IEC/EN60898-1 GB/T10963.1 Leakage protection trip type Electronic /Electromagnetic The number of poles 1P+N/3P+N Rated limit short circuit breaking capacity Inc 6kA Rated working current In 16-63A (can be extended to 125A) Rated working voltage Ue AC 230/400V Rated operating...

Vendredi 19 juillet 2019

Standard IEC/EN61009-1 GB/T16917.1 Instantaneous trip type B/C/D The number of poles 1P+N Rated short circuit breaking capacity Icn 6kA Release Type of Leakage Protection E: Electronic Rated working current In 6-40A Rated working voltage Ue AC 230V Rated operating frequency 50/60Hz...

Vendredi 19 juillet 2019

Standard IEC/EN60898-1 GB/T10963.1 Instantaneous trip type B/C/D The number of poles 1P/1P+N/2P/3P/3P+N/4P Rated short circuit breaking capacity Icn 10kA Rated working current In 1-63A Rated working voltage Ue AC 230/400V Rated operating frequency 50/60Hz Rated insulation voltage...

Vendredi 19 juillet 2019

Standard IEC/EN61008-1 GB/T16916.1 Leakage protection trip type Electronic /Electromagnetic The number of poles 1P+N/3P+N Rated limit short circuit breaking capacity Inc 10kA Rated working current In 16-63A Rated working voltage Ue AC 230/400V Rated operating frequency 50/60Hz Rated...

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...

Jeudi 11 juillet 2019

First, the purpose of the request The colorectal flora in water was determined by the membrane method. Second, the basic principles The filter membrane method uses a filter to filter the water sample, and the bacteria are trapped on the filter membrane, and then the filter membrane...

Mardi 09 juillet 2019

First, the purpose of the request The colorectal flora in water was determined by the membrane method. Second, the basic principles The filter membrane method uses a filter to filter the water sample, and the bacteria are trapped on the filter membrane, and then the filter membrane...

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...

Lundi 08 juillet 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...

Lundi 08 juillet 2019

As a simple and fast absorption chromatography technique for the routine purification of organic compounds, flash chromatography is developed for the daily purification of reaction products in the lab, which is low costs and achieves separations of samples (0.01-10.0 g weight) in short time...

Vendredi 05 juillet 2019

When the polarity of the stationary phase is greater than the polarity of the mobile phase, it can be called normal phase partition chromatography or simply normal phase chromatography. If the polarity of the stationary phase is less than the polarity of the mobile phase, it can be...

Jeudi 04 juillet 2019

- Basic information - - Flanged concentric butterfly valve is used in various service and drain lines as truncation and regulating equipment. - - Features - - 1. Bidirectional sealing, no flow direction of the medium; 2. Valve body vulcanized EPDM, reliable sealing; 3. A dial...

Jeudi 04 juillet 2019

Prix : US $1 - 3,000 / Set

Basic information The double orifice air release valve is a pipeline will be matched equipment, apply to the temperature does not exceed 100 water, hot water pipe on the pipe from the air. Features 1. Body is provided with a shock-proof inner tube to protect the float 2. Lower...

Jeudi 04 juillet 2019

Prix : US $1 - 3,000 / Set

The bronze balancing valve is required to maintain the flow of these or end equipment at all times within the working differential pressure range. As the system pressure fluctuates, the valve will automatically move up and down to change the opening, thus keeping the pipeline flow constant...

Jeudi 04 juillet 2019

Queen Scaffolding Australia Podger Hammer is designed for use with Cuplock, Wedgelock and Ringlock scaffolding systems to allow quicker assembly and de-assembly. These hammers are chrome plated for long life and meet specifications for all kinds of scaffolding. Manufactured from a...

Jeudi 04 juillet 2019

Queen Aluminum Thin Flat Handle Spanner 7/16＂ - Bi-Hex Boxes have a unique swiveling design around the box enables it to swing over freely without tangle or obstruction. Have unique rivetless fixing, improves longevity. High-quality Aluminum material Bi-Hex socket with large hardness...

Jeudi 04 juillet 2019

Queen FullTitanium Flat Handle Spanner 7/16＂ - Bi-Hex Boxes have a unique swiveling design around the box enables it to swing over freely without tangle or obstruction. Have unique rivetless fixing, improves longevity. High-quality Titanium material Bi-Hex socket with large hardness...

Jeudi 04 juillet 2019

Queen Steel Poka Handle Spanner 7/16-Bi-Hex Boxes have a unique swiveling design around the box enables it to swing over freely without tangle or obstruction. Have unique rivetless fixing, improves longevity. High quality steel material Bi-Hex socket with large hardness. Traditional poka handle...

Jeudi 04 juillet 2019

Queen Titanium Poka Handle Spanner 7/16 Bi-Hex Boxes have a unique swiveling design around the box enables it to swing over freely without tangle or obstruction. Have unique rivetless fixing, improves longevity. High-quality Titanium material Bi-Hex socket with large hardness. Traditional...

Jeudi 04 juillet 2019

The filler of polymeric HLB SPE cartridges produced by a special copolymerization technology contains a certain proportion of the hydrophilic group and the hydrophobic group. Hydrophobic divinyl benzene structures retain nonpolar compounds and hydrophilic n-vinyl pyrrolidone structures...

Jeudi 04 juillet 2019

The silicon hydroxyl group with strongly polar on the surface of glass sample vials will adsorb the samples. Based on such reasons, people produce hydrophobic glass surface through silylating the sample vials in order to eliminate the adsorption of the sample vials, which is widely...

Jeudi 04 juillet 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...

Lundi 01 juillet 2019

Model No.: CBM-1.2*1600,CBM-1.2*2000 Max Coil Width: 1600mm,2000mm Thickness Range: 0.4-1.2mm(18-27Ga) Min.Order Quantity: 1 Set Supply Ability: 10 Sets per Month Port: GUANGZHOU PORT,SHENZHEN PORT Payment Terms: T/T,L/C Beading Machine Products Information The latest design in beading...