SAMPLE - 8648 Annonces

Jeudi 12 mars 2020

What areSyringe filter syringe filters used for? syringe filter, also known as needle filter, cylinder filter, cylinder filter membrane filter, etc., is used for sample prefiltration, clarification of the removal of particles, liquids and gases, etc. What are the advantages of using...

Jeudi 12 mars 2020

There are three types of sample vial caps: the jaw cover, the clamping cap, and the screw cap. Each sealing method has its own advantages. Jaw Cap The clamp cover presses the gasket between the bottle edge of the glass sample bottle and the folded aluminum cover. The sealing effect is very good...

Mercredi 11 mars 2020

Column chromatography is found important in the labs due to its factors of easy packing procedure, low pressure of operation and low costs as well. Depend on the way that the solvent flows down the column, we can find two different kinds of column chromatography: one is gravity column...

Mardi 10 mars 2020

1.Mixed-mode cation exchange r: A mixed adsorbent having strong cation exchange and reverse retention, which is highly selective for alkaline analytes, stable in organic solvents. 2.Weak cation exchanger: Weak cation exchange and reverse retention complex mechanism, which is used...

Lundi 09 mars 2020

The QuEChERS method has the following advantages : (1) high recovery rate, which is greater than 85% for a large number of polar and volatile pesticide varieties;(2) high accuracy and accuracy, can be corrected by internal standard method;(3) a wide range of analyzable pesticides...

Jeudi 05 mars 2020

Using agriculture quadcopter for agriculture is a hot topic these days, and for good reason. These unmanned aerial vehicles (UAVs), as they are sometimes called, are rapidly becoming a core tool in a farmer's precision equipment mix. Today's farmers have to deal with increasingly...

Mercredi 04 mars 2020

Quantité : 2 million - Prix : 0.1-6

As one of stainless steel stair nosing suppliers, Xiongchang range of tactile stair nosing is extremely versatile, Non-slip profiles for stairs finished in ceramic tile, porcelain tile, wood and other materials, designed to protect edges and the nosing between treads and risers. Special...

Mercredi 04 mars 2020

Quantité : 2 million - Prix : 0.1-6

Wuyi Xiongchang is the one of the most professional in tactile bars. We created the new processes for the stainless steel directional indicators , not only casting. Compared with casting stainless steel diectional indicators , Our products are advantageous : 1.All the size are compliant...

Lundi 24 février 2020

Quantité : 3000 t - Prix : 990€/t

Nous sommes un producteur et exportateur de sésame blanc tchadien: - variété S42 - brut ou décortiqué/soufflé - origine: Tchad (Sud, région de Moundou) 1.Spécification: - humidité 6% max - huile: 50%/55% (min.50%) - protéines: 25% 2.Prix - packaging 50KG/100KG - EXW price: décortiqué...

Samedi 22 février 2020

Prix : usd0.8-usd5

DESCRIBE Order flip flops: Strap Material: PVC Sole Material: EVA Size: S: 25CM; M: 27CM; L: 29CM; XL: 30CM or customization Color: Blue or according to your Pantone color OEM/ODM: Customized logo, color, design, size packaging are available MOQ: 25 pairs MOQ is available Package...

Samedi 22 février 2020

Quantité : 1pcs - Prix : usd0.8-usd5

Our team have 15 years experience in flip flops china production line management and technology research, so we can control the mass production of sandal Flip flops as well during the produce online, and can give the reasonable price and high-quality wholesale flip flops from china to you...

Vendredi 21 février 2020

Monel K500 Plate could be further strengthened by performing a cold working procedure before the precipitation hardening process.Since the ASTM B127 is specification which covers rolled nickel- copper based Monel 400, it can be used in the manufacture of components such as plate,...

Mercredi 19 février 2020

Product: forged trunnion ak Application: hydraulic cylinder, truck Place of origin: Hebei, China (Mainland) Material: C45, 20, ASTM A216 70-36 grade WCB Process: die mold forged, forging + CNC machining, Surface treatment: anti-rust oil or painting Surface roughness: 12.5Ra Weight: 0...

Mercredi 19 février 2020

Product: hydraulic cylinder head Application: hydraulic cylinder Place of origin: Hebei, China (Mainland) Material: C45, 20, ASTM A216 70-36 grade WCB Process: die mold forged, forging + CNC machining, Surface treatment: anti-rust oil or painting Surface roughness: 12.5Ra Weight: 0...

Mercredi 19 février 2020

Product: forged steel clevis Application: hydraulic cylinder Place of origin: Hebei, China (Mainland) Material: C45, 20, ASTM A216 70-36 grade WCB Process: die mold forged, forging + CNC machining, Surface treatment: anti-rust oil or painting Surface roughness: 12.5Ra Weight: 0.5-50kg...

Mercredi 19 février 2020

Create Die Mold Create a die mold is the first step for the metal forging process, it is critical and essential step for the die mold forging process. We have a die mold maker who had been working with us for near 20 years, with rich experience, who can design the mold according to...

Mardi 18 février 2020

Quantité : 100 - Prix : 100usd

What is Graphic overlay ? Graphic overlay is an interface layer which is made of polycarbonate or polyester with an adhesive backing. It can be applied to many industries including, Residential and commercial appliances Machinery control panels Medical equipment HVAC equipment Gas...

Lundi 03 février 2020

Dear Sir, Good day! I am Ms. Linda from Vilaconic Group in Vietnam-one of the main suppliers of RICE & SPICES. We are the official member of VPA, VFA, VCCI, Trust Brand and hope to establish doing long term business with your esteemed company. Our Main exporting products is based on...

Lundi 03 février 2020

Dear Sir, Good day! I am Ms. Linda from Vilaconic Group in Vietnam-one of the main suppliers of RICE & SPICES. We are the official member of VPA, VFA, VCCI, Trust Brand and hope to establish doing long term business with your esteemed company. Our Main exporting products is based on...

Lundi 03 février 2020

Dear Sir, Good day! I am Ms. Linda from Vilaconic Group in Vietnam-one of the main suppliers of RICE & SPICES. We are the official member of VPA, VFA, VCCI, Trust Brand and hope to establish doing long term business with your esteemed company. Our Main exporting products is based on...

Samedi 25 janvier 2020

Quantité : Per 1000 P - Prix : $12.00USD

Product Description Product Name: 2017 Hot-sale Fashion Medical Disposable Nonwoven Shoe Covers Material: PP nonwoven Size: 16*40cm,17*38cm, 17*41cm,17*45cm, etc Type: Disposable, Non-skid,Dust-proof Feature: Breathable, Hygienic , Comfortable and biodegradable Advantage...

Mercredi 22 janvier 2020

The sealing property of the headspace vial is better than that of the threaded vial, and the rubber or silica gel has good re-sealing after the puncture, so it is ideal to preserve the reagents. If some of the organic solvents in use will corrode the silicone or rubber bottle pad...

Mardi 21 janvier 2020

Syringe filter is separation equipment which can be combined with a injector to filter out the impurities from the sample of chemically turbid solution. Syringe filter generally consists of a plastic housing and a membrane. The body of syringe filter (plastic housing) is usually made...

Mardi 21 janvier 2020

The FLASH column is the heart of the FLASH purification system, like an engine in a car. If you want to do a good job, you must first sharpen the tools. Choosing the correct FLASH purification column is the most critical part of the whole purification process. And choosing the right...

Lundi 20 janvier 2020

As we know, five steps required for solid phase extraction cartridge: sample preparation, activation or equilibration of the column, loading, rinsing and eluting the compound of interest. There is no uniform regulation for that the solid phase extraction cartridge should be activated...

Lundi 20 janvier 2020

1. Why does the retention time sometimes drift and sometimes change rapidly when analyzed by HPLC? How to solve it? About drift ① The temperature control is not good. The solution is to use a constant temperature device to keep the HPLC column temperature constant. ② The mobile phase...

Dimanche 19 janvier 2020

The QuEChERS method is a sample preparation technology based on solid-phase extraction and matrix solid-phase dispersion technology. It is suitable for the treatment of low-fat samples and can achieve ideal results for samples containing less than 15% fat. Because of its simple operation...

Dimanche 19 janvier 2020

In 1958, the German company Eppendorf invented the first single-channel fixed-range pipe tte. In 1968, the Finnish Lab system (Raybo) invented a multi-channel fixed-range pipette, which greatly improved the efficiency of pipetting operations. In the early 1970s, Gilson of France introduced...

Vendredi 17 janvier 2020

Vacuum filtration system is a kind of vacuum filtration device, which ingeniously combines all the components needed for Vacuum filtration on one body, saving space and simple operation. It is widely used in laboratories, including various microbial tests in food, medicine, beverage...

Vendredi 17 janvier 2020

HAWACH cellulose extraction thimbles Cellulose extraction thimbles is a Soxhlet extraction sample cell for quality control, scientific research and/or analysis; it can easily and safely perform solid and semi-solid solvent extraction; the thimble is suitable for Soxhlet extraction...