METHODS - 9082 Anuncios

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...

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

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

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...

Martes 10 diciembre 2019

Mixed cellulose ester (MCE) filter membrane is made of refined nitrocellulose and added with the appropriate amount of cellulose acetate, acetone, n-butanol, ethanol, etc. It is hydrophilic, non-toxic and hygienic. The MCE filter membrane is mainly used for filtering aqueous solutions...

Lunes 09 diciembre 2019

Quantitative filter paper is used in precipitation weight analysis. Because the quantitative filter paper has been treated with hydrochloric acid and hydrofluoric acid, the ash content after burning is negligible, so it is also called ashless filter paper. The following are the specific...

Lunes 09 diciembre 2019

The working principle of the pipette is that the piston moves through the telescopic movement of the spring to achieve aspiration and discharge. Under the push of the piston, part of the air is exhausted, and the liquid is sucked in at atmospheric pressure, and then the air is pushed...

Jueves 28 noviembre 2019

Cantidad : 100000pcs/ - Precio : 0.8-3.7usd

Foldable packaging box has the characteristics of low processing cost, convenient storage, and transportation, suitable for various printing methods, and the folding box is suitable for automatic packaging, easy to sell and display, good recycling and environmental protection. We...

Martes 26 noviembre 2019

MiniBottles Empty Plastic Bottles Description: The classic cylindricalbottle is made of food grade Pet, which is safer and more reliable.T he bottle Cap is made of Screw Cap, which is connected more tightly, ensuring that the bottle does not leak and the smallmouth is designed to...

Martes 26 noviembre 2019

Cantidad : 30000 Unit - Precio : 5000-50000USD

Compactor garbage truck, also called compressed garbage truck. The compression type garbage truck is composed of a sealed garbage bin, a hydraulic system and an operating system. The whole vehicle is fully sealed. The sewage in the process of self compression, self dumping and compression...

Miércoles 20 noviembre 2019

Cantidad : 2000 tons

FEATURES OF GOLOHO-2752 GOLOHO-2741 is a high performance RTV thermal conductivity of silicone sealant · Excellent thermal conductive, heat dissipation and adhesion ·Small power heater can be directly bonded on the radiator without tighten the firmware again to avoid the short circuit...

Miércoles 20 noviembre 2019

Cantidad : 2000 tons

GOLOHO-3334 is a kind of heat and waterproof sealant. FEATURES OF GOLOHO-3334 Convenient: one-part, deoximation, rapid cure at room temperature Neutral, no corrosion to metal, anti-yellowing. Excellent adhesive to hard bonding materials without prime Use at: -50~200℃ Excellent insulation...

Sábado 16 noviembre 2019

Cantidad : 8000kgs - Precio : USD0.025 - USD1.05

1) Properties Detonation-synthesized polycrystalline diamond micro powder The structure resembles the rare natural polycrystalline black diamond, metallic-grey, superior toughness, self-sharpening. The lapping and polishing efficiency of the detonation-synthesized polycrystalline...

Jueves 14 noviembre 2019

Organica Group propose divers produits à base de savon noir. Nous traitons en tant que fournisseur en gros de savon noir marocain original. Les produits sont 100% biologiques et naturels et nous garantissons leur qualité et leur authenticité. Bénéfices Le savon noir est produit à...

Miércoles 13 noviembre 2019

Cantidad : 5000 ton/p - Precio : ＞0.8USD

Product description Bright Annealed Tubes Description Bright annealed stainless steel tube is a kind of high precision steel tube material after finishing or cold rolling. Due to the advantages of no oxide layer both inside and outside wall, no leakage under high pressure, high precision...

Miércoles 13 noviembre 2019

Cantidad : 5000 ton/p - Precio : ＞0.8USD

Product description WELDING NECK RISE FACE FLANGE（WNRF） Stainless steel weld neck flange is popularly used in excessive stress applications, with their capability to provide assisting power along with stress distribution. Weld neck flanges are circumferentially welded at the neck...

Miércoles 13 noviembre 2019

Cantidad : 5000 ton/p - Precio : ＞0.8USD

Product description Stainless steel socket weld flange is a flange with one end welded with steel tube and the other end connected with bolts. It is suitable for connecting pipe with small diameter, high pressure and high temperature, usually used in the pipelines with PN≤ 10.0mpa and DN≤40...

Martes 12 noviembre 2019

Cantidad : 1000 - Precio : 30-2000000yuan

PQWT-TC series automatic mapping water detector pqwt tc300 is based on the Earth's electromagnetic field as the field source, based on the difference in the conductivity of different underground geological structures, and by studying the variation law of the electric field components...

Martes 12 noviembre 2019

Cantidad : 1000 - Precio : 30-2000000yuan

PQWT-KD series automatic mapping cave detector is based on the earth's electromagnetic field source, based on the difference in the conductivity of different underground geological structures, and by studying the variation law of the electric field components at different frequencies...

Sábado 09 noviembre 2019

Cantidad : 1set - Precio : USD2,500

Structure and Working Principle: Coal slurry dryer consists of heat source, break up device, belt conveyors, feeders, rotary drum, a belt feeder, induced draft fan, discharger and power cabinet composition. Its working principle as below. Because the coal slurry with sticky, when...

Viernes 08 noviembre 2019

Cantidad : 500sets - Precio : USD 5w-USD180w

The production line of pu insulation board machine is able to continuously and efficiently produce high-quality PU insulation panels. We spare no efforts to improve our product quality and technological reliability by employing the most cutting-edge and the most reliable support and...

Viernes 08 noviembre 2019

Cantidad : 500sets - Precio : USD 5w-USD180w

Well-grounded on our solid strength as a renowned large-scale enterprise, Sinowa Polyurethane Industrial Equipment Co., Ltd. has a high starting point in developing industrial assembly lines. Based on the advanced science and technology introduced from within and without the country...

Jueves 07 noviembre 2019

Cantidad : 1 unit - Precio : 10000~170000 USD

SBS modified bitumen application As a pavement material, SBS modified bitumen is applied widely in high-grade highways, urban roads, airport runways and other important traffic on the road. While, polymer modified bitumen also can be used in wearing layer (drainage or suction sound)...

Jueves 07 noviembre 2019

Cantidad : 1 unit - Precio : 10000~170000 USD

Hanging chipping spreading is hanged on the back of the self-discharging truck and fitting with bolt. Chip spreader machine is mainly applied for the spreading work. It adopts the method to spread the aggregate, powder, chips, girl. macadam and asphalt macadam to the prim coat,undersealing layer...

Miércoles 06 noviembre 2019

SPECIFICATIONS This Machine is applicable for many kinds of bobbinless coil winding including: voice coils(square and racetrack type), laser head coils, hard disk coils, IC card coils, labeling machine coils, read and write card coils, inductor coils, vibrating motor coils, and some...

Miércoles 06 noviembre 2019

Cantidad : 500square - Precio : 25usd

Aluminum composite panel or aluminum-plastic panel is a kind of composite new material which has been through surface treatment and a series of technological processing. It's composed of aluminum panels with coating as the surface and PVC plastic panel as the core layer. As the composite...

Miércoles 06 noviembre 2019

Cantidad : 500square - Precio : 25usd

The processing craft of brushed aluminium composite panel is a kind of manufacturing process that repeatedly uses sandpaper to scrape out wires on the surface of the aluminum composite panel. The process is mainly divided into three parts: degrease, the sand mill and water scrubbing...

Miércoles 06 noviembre 2019

Cantidad : 500square - Precio : 25USD

We have aluminium composite panels for sale! The aluminum plastic plate also called pe aluminum composite panel as a new type of decorative materials with its optional color diversity, convenient construction method, excellent processing performance, perfect fire retardancy and noble quality...

Sábado 02 noviembre 2019

Cantidad : 10 - Precio : 5,00 €

Organica Group propose divers produits à base de savon noir. Nous traitons en tant que fournisseur en gros de savon noir marocain original. Les produits sont 100% biologiques et naturels et nous garantissons leur qualité et leur authenticité. Bénéfices Le savon noir est produit à...