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Lunes 30 diciembre 2019

Cantidad : 500(min. o) - Precio : 0.95USD/pc

Decorative Metal Bullnose Profile Wall Ceramic Tile Outside Corner Edge Aluminium Tile Trim Model Number K-280 Specification 1. Length: 2.44/ 2.5/ 2.7/ 3m, also can be done especially for customer's requirement; 2. Height: 8/ 10/ 12 mm; 3. Thickness: 0.4mm-2mm; 4. Colour...

Miércoles 25 diciembre 2019

Cantidad : 5000SET - Precio : 0.4-4

As a comprehensive supplier of hotel supplies, Yangzhou Yi Lan Mei Hotel Supplies Limited Company offers not only the hotel towels, bath towels, bath mats, hotel bathrobes, hotel laundry bags & hotel linens but also the hotel paper glass covers. Our hotel paper glass covers provide...

Martes 24 diciembre 2019

Cantidad : 3000 - Precio : 1.64usd

Lugar de origen: Zhejiang, China Nombre de marca: XMM Número de modelo: xmm-8057 Material: Aleación de zinc Color: Verde, plata, rojo, azul, negro y el cliente pantone colr está bien Apto para: Viajes GYM Gabinetes de viaje de negocios Certificación: Certificado CE Certificado ROHS...

Jueves 19 diciembre 2019

"D" shape classical style Rhodium case with Smokey Mother of pearl inlaind • Material: brass • Color: colorful selections are available • Eco-friendly (nickel- and lead-free) • Small orders are accepted • With more than 15 years of experience • Packing: • Outer: OPP bag or box • Customized...

Martes 17 diciembre 2019

Cantidad : 100 - Precio : USD3-50

Most of the design and modeling of thedisplay are: LED display, rotating display, ladder type display, L-shape display, tray type, display cabinet, common base and specially custom grooves base.is the symbol of culture and the function of inheriting and developing national culture...

Martes 17 diciembre 2019

Cantidad : 500pcs - Precio : 1.5-8.8

STRENGTHENING & PAIN RELIEF: Improves muscle performance and tone by involving core, back, and leg muscles. DURABLE & SAFE: Made of high quality sturdy and durable rubber material. Spiky dimples on one side (for standing), small dimples on the reverse side (for sitting). Designed...

Lunes 16 diciembre 2019

Originally, QuEChERS was used as a test for multiple pesticide residues in vegetables or fruits. Up to now, its application range is no longer limited to this. At present, QuEChERS has a wide range of applications in agricultural and veterinary drug residues in agricultural products and foods...

Sábado 14 diciembre 2019

As a tool supplier whose goal is becoming an expert in the industry, Hanking Mold has experience in handling many different types of mould, including but not limited to prototype molds. Prototype mold China is a kind of test mould before mass production mould, customer makes test...

Viernes 13 diciembre 2019

At present, Hawach concentrates on producing these following vials, with the most professional and advanced technique. Crimp top sample vials. Headspace vials. Screw thread top sample vials. Snap top sample vials. Storage vials. Besides, it also produces septa and cap for crimp top sample vials...

Viernes 13 diciembre 2019

FLASH column is a sample pretreatment technology developed by the combination of liquid-solid extraction and column liquid chromatography. It is mainly used for sample separation, purification and concentration which has been widely used in medicine, food, environment, commodity inspection...

Viernes 13 diciembre 2019

Known as surface filtration, membrane filtration is a process that the solid particles can be separated through a very thin filter medium. The particles are usually larger than the pore size of the membrane. During separation, a semi-permeable membrane acts as a selective barrier...

Viernes 13 diciembre 2019

During the sample pre-treatment process, except for the selection of SPE cartridge sizes, there are still several factors that should be carefully considered. Specification of SPE Cartridge The first important factor to select an SPE cartridge is the filler. The principle is to ensure...

Viernes 13 diciembre 2019

What is vacuum filtration? Vacuum filtration forms negative pressure in the filtrate outlet as the power of filtration. This kind of filtration machine is split into batch operation and continuous operation. Vacuum filtration equipment with batch operation can filter suspension liquid...

Viernes 13 diciembre 2019

In order to prolong the service life and obtain the best performance, there are some instructions to follow. It is better to spray the filter paper with water before using, because the dry filter paper has poor filtration effect and is easily been sucked away by the filter paper,...

Jueves 12 diciembre 2019

QuEChERS is a streamlined technique that makes it easier and cheaper for analytical chemists to examine the pesticide residues in agricultural products. It is exploited by many professors of the American Ministry of Agriculture in 2003, especially Anastassiades. This technique shares...

Jueves 12 diciembre 2019

Hawach sample vials are available with three types: screw top, crimp the top and snap top sample vials. Reducing the possibility of sample evaporation, crimp caps provide the tightest seal. Compared to crimp tops, snap top sample vials can be applied and removed by hand more easily...

Jueves 12 diciembre 2019

As a unique chromatography technique that pushes solvent through the column uses by compressed gas or a pump, flash column chromatography is highly appreciated as an advance technique because it makes flow rates of the solvent much faster than the gravity flow. Developed in the 1970's...

Jueves 12 diciembre 2019

Because the cotton fiber in the filter paper has a good affinity with water, it can absorb about 22 percent of the water, in the form of a hydrogen bond with cellulose water has 6 to 7 percent. In general, it is very difficult to remove. Compared with the affinity with water, the...

Miércoles 11 diciembre 2019

The filter capsule is also called the submerged filter, it uses a folding membrane with a large filter surface area. It is suitable for the filtration of a large volume of solution. The shell of the filter capsule is made of polypropylene and does not contain any adhesives and other chemicals...

Miércoles 11 diciembre 2019

Syringe filters are used in a wide range of laboratories to provide fast and efficient water and organic solution filtration solutions. It is made from a variety of membrane filters containing polypropylene housings, and special injection molding processes increase burst pressure...

Miércoles 11 diciembre 2019

Flow Process of HPLC column First, the solvent in the storage bottle is pumped into the chromatographic system by pump and then output, and then introduced into the sampler after flow and pressure measurement. Second, object to be tested is injected by the sampler, passes through...

Martes 10 diciembre 2019

Cantidad : 1L - Precio : 7 $ - 9.50 $

Aceite de oliva virgen extra nuevo disponible para el mercado de exportación. Envío de marca embotellada, de marca, personalizada o en VRAC. Productos certificados con posibilidad de enviar muestras gratis a todo el mundo. No dude en contactarnos para más detalles. Ubicación : Route...

Martes 10 diciembre 2019

Filter housing supplied by Hawach Scientific is cost-effective that is both durable and reliable. It is fabricated using sturdy and high-grade materials to make it even more demanding. The possibility of contamination is avoided with the fluid traveling in different layers. Besides...

Martes 10 diciembre 2019

Nylon membrane filters are suitable for use with high PH samples; PES membranes filters are fit for filtration of compatible organic solvents and aqueous samples; PP membrane filters are widely used in analytical and research applications for the pharmaceutical, environmental, biotechnological...

Martes 10 diciembre 2019

The protective HPLC columns influence the separation result. First of all, the protective column has a good positive effect on the experiments. Even if the stationary phase is chosen incorrectly, the protective column can also be effective for separation. The protective column is...

Martes 10 diciembre 2019

To select the appropriate SPE cartridge, we normally consider it from two aspects: the selection of adsorbent and specification of the cartridge. The use of appropriate adsorbent can achieve good separation between interfering substance and target component, and also meet the requirement...

Martes 10 diciembre 2019

Due to the variety of targets, large structural differences, and low target content, the detection of pesticide residue method requires being accurate, rapid, sensitive, simple and low cost. The QuEChERS method is more and more widely used in pesticide residue detection, as it is green and quick...

Lunes 09 diciembre 2019

During extraction, the sample to be tested is placed in the cellulose extraction thimble and put into the extraction tube. Petroleum ether was added into the extraction bottle, heated the extraction bottle, and petroleum ether was gasified. It rose into the condenser from the connecting tube...

Lunes 09 diciembre 2019

Pipette tips supplied by Hawach Scientific fit for wide applications and sample handling with superior performance. It is made from non-sterile PP material in a fully automated and clean room facility, which can assure excellent clarity and flexibility for accurate analysis results...

Lunes 09 diciembre 2019

SPE cartridge A solid-phase extraction device is a physical extraction process involving a liquid phase and a solid phase. In the solid-phase extraction process, the adsorption of the solid relative analyte is greater than that of the sample mother liquor. When the sample passes through...