BONDED - 835 Anuncios

Miércoles 11 septiembre 2019

The structure of the SPE cartridge is mainly divided into four parts: column tube, sieve plate, adsorbent and supporting device. The characteristics of each part are briefly introduced below. Column tube: A carrier for the adsorbent, made from serum grade polypropylene. Commonly used...

Martes 10 septiembre 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...

Viernes 06 septiembre 2019

Raw cloth such as cotton cloth, polyester cloth, blended fabric, etc., after a series of treatments, have high tear strength, low ductility, different softness, and then through electrostatic strewing, the abrasive grains are evenly and densely bonded by high-strength resin to obtain...

Jueves 05 septiembre 2019

The abrasive paper roll is coated abrasive, its grains are bonded to the heavyweight paper base by high strength resin in the procession of electrostatic sand-planting. The heavy weight backing paper is high tensile strength, high tear strength, and low elongation. Special-made E-wt...

Jueves 05 septiembre 2019

Waterproof abrasive paper is coated abrasives, it's Silicon carbide and aluminum oxide grain is bonded to the high-grade water-resistant paper base by Water-resistant adhesive in the procession of electrostatic sand-planting. then cured at a high temperature. The special sand planting...

Martes 03 septiembre 2019

9mm screw Bonded caps with septa color: blue cap septa material : pre-slit blue PTFE/white Silicon Ubicación : NO.158 east of huayuan road, 324000 quzhou, Persona a contactar : Susan Xu, +18 9 57 00 37 97

Martes 03 septiembre 2019

The basic principle of SPE cartridges is that the liquid sample is made to pass through the adsorbent to retain the tested substance, and then the impurities are washed away with appropriate strength solvent, and then the tested substance is eluted with a small amount of good solvent...

Viernes 30 agosto 2019

Cantidad : 100-1,000, - Precio : 20s

Eolane SCM is a professional OLED screen manufacturer. We provide a wide range of standard passive matrix OLED (PMOLED,Graphic OLED displays with board and OLED display panels. Mechanical construction includes Chip on Board (COB), Chip on Glass (COG), and TAB (Tape Automated Bonded) types...)

Viernes 30 agosto 2019

Cantidad : 100pcs - Precio : 6,00 €

China Lab Supplies Limited utiliza una tecnología de unión patentada para unir los septos a las tapas de polipropileno, mientras mantiene las bajas propiedades de sangrado de los septos. Esta tecnología única está disponible actualmente en tapas de rosca de 24-414, 9 mm y 13-425....

Miércoles 28 agosto 2019

White PTFE/red Silicone septa, 9mm blue short screw-thread polypropylene cap, 6mm centre hole BONDED Ubicación : huayuan road, 324000 quzhou, Persona a contactar : Angela Angela zhu, +18 9 57 00 85 30

Miércoles 28 agosto 2019

Cantidad : 6KG - Precio : 0.025$

Diamond Resin bond micron The Friable type of resin bond diamond powder. Diamond Resin bond micron Is made from resin bonded materials. It has a multi-crystalline structure, rough surface, and uniform shape. The sharp edges always generate during cutting, grinding, lapping, and finishing...

Martes 27 agosto 2019

Les bras de commande sont reliés au cadre ou au corps d'un véhicule par des douilles flexibles, appelées douilles de bras de commande. Ces douilles sont des coussins en caoutchouc, polyuréthane (souvent raccourcie à "poly " ou "uréthane ") ou d'autres matériaux. Ils sont montés sur...

Viernes 16 agosto 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...

Lunes 12 agosto 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...

Viernes 09 agosto 2019

Reversed-phase chromatography (RPC) contains any chromatographic method using a non-polar stationary phase. The word “reverse” has a historical background. In the 1970s, most liquid chromatography was performed on unmodified silica or alumina. Their surface chemistry is hydrophilic...

Jueves 08 agosto 2019

Considering the comparative simplicity and maturity of the glass vial, customers rarely complain about its quality. However, the applicability of the autosamplers is actually essential to big manufacturing companies. Severely in terms of International Standard, vials of Hawach are...

Jueves 08 agosto 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...

Miércoles 07 agosto 2019

Our Pu Foam Scrap Available for Sale Our Pu Foam Scrap come from furniture factory directly, it is mostly used for the production of re-bonded foam for furniture, mattress, bedding, pillow, Insoles, sports padding, carpet padding and carpet underlay or used for the production of...

Lunes 05 agosto 2019

Hawach filter paper is used for removing contaminated particles from liquids and gases. The design of a filter paper must try its best to strike a balance among various indexes so as to effectively protect the system to be filtered. Production of a filter paper It is that a variety...

Lunes 05 agosto 2019

One of the main factors affecting the life of the liquid chromatographic column is the mobile phase. There are three aspects of the mobile phase factors. The pH value of the Mobile Phase The fillers of different substrates apply to different pH value range. Under normal temperature...

Sábado 03 agosto 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...

Jueves 01 agosto 2019

Ceramic membranes (Porous Ceramic Membrane & tubular ceramic membrane) are available for microfiltration, ultrafiltration and nanofiltration as single-channel or multiple-channel elements with channel diameters between 2 and 16mm. Their main characteristics of porous tubular ceramic...

Jueves 01 agosto 2019

There are two different cases of retention time: retention time drift and retention time fluctuations. The former means that the retention time changes only in one direction, while the latter refers to the fluctuation of the retention time without a fixed law. It is often helpful...

Martes 23 julio 2019

Fire clay mortar description The Fire clay mortar manufactured by our company is fabricated from top quality raw material and processed through most advanced processing techniques. Features of fire clay mortar 1. Excellent bonding capacity 2. High refractoriness 3. Good corrosion...

Martes 23 julio 2019

Description of Calcium aluminate cement Calcium aluminate cement, alumina cements or high alumina cements are obtained by the reaction at high temperature of lime (from limestone) and alumina (contained in natural minerals like bauxite). The product obtained after cooling is a hard mineral...

Viernes 19 julio 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...

Lunes 08 julio 2019

First, the continuous polypropylene long fibers produced by the melt-blown process are wound with polypropylene as raw material. Second, high filtration accuracy, large flow rate, uniform structure, large contamination capacity, and long service life. Third, good chemical compatibility...

Viernes 05 julio 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...

Jueves 04 julio 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...

Jueves 04 julio 2019

Precio : 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...