SUBSTANCES - 1716 Annonces

Vendredi 22 mai 2020

Quantité : 200,000 pc - Prix : USD 150- 600

Ultrafiltration (UF) is a variety of membrane filtration in which forces, such as pressure or concentration gradients, cause separation through the semi-permeable membrane. High molecular weight suspended solids and solutes remain in the so-called retentate while water and low molecular...

Mardi 31 mars 2020

SPE technology is a physical extraction process including liquid phase and solid phase based on the theory of liquid-solid chromatography, which uses selective adsorption, selective elution to enrich, separate and purify the sample. In daily application, SPE cartridge can also be...

Mardi 24 mars 2020

Remove the column outlet end If the pressure does not drop, the HPLC column is blocked. Treatment: if the buffer salt is blocked, flush 95% water to normal pressure. If some strongly retained substances cause blockage, the mobile phase stronger than the current one should be used...

Vendredi 20 mars 2020

Quantité : 60-100 mil - Prix : USD0.1-0.5

Product Name: 50ml 100ml 150ml 200ml Shampoo Bottles Material: PET Materials Capacity: 50ml 100ml 150ml 200ml Slogan: Dark green bottle and sloping shoulder gives you exquisite texture. Introduction: This shampoo bottle is mainly used for the shampoo, conditioner, body wash and other products...

Mercredi 18 mars 2020

Widely used to remove particles from a liquid sample and avoid damage to equipment at the same time, syringe filter is affordable tool in the labs, which the scientists can use for small-volume filtration. You can find two different types of filters, one is with which you can recover your sample...

Mardi 17 mars 2020

Quantité : 200,000 pc - Prix : usd160-500

Ultrafiltration (UF) is a variety of membrane filtration in which forces, such as pressure or concentration gradients, cause separation through the semi-permeable membrane. High molecular weight suspended solids and solutes remain in the so-called retentate while water and low molecular...

Mardi 17 mars 2020

How to understand the chromatographic separation? Put it in short, the more similar the separated substance to the stationary phase, the longer the residence time on it. In this way, different substances in a complex mixed solution can be separated according to time, and the separated...

Samedi 14 mars 2020

Quantité : 5000 ton/p - Prix : ＞0.8USD

Product description Stainless Steel Capillary Tube Description: Whether you need to exchange device tubing as a section of your troubleshooting or want to minimize the dwell extent of your system as you pass to narrower columns. As one of the most professional stainless steel capillary...

Samedi 14 mars 2020

Quantité : 5000 ton/p - Prix : ＞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...

Vendredi 13 mars 2020

Prix : $2.99-$114

Aquarium Box Filter for Sale Multi-grids filter box: Can be combined with a variety of different filter materials (such as filter cotton, activated carbon, volcanic stone, etc.) to meet the different filtration needs. Built-in UV sterilizer groove, with black visor. Description Specifications...

Jeudi 12 mars 2020

Quantité : 250000 lit - Prix : 25 USD

Famous for its positive effects on the skin and the hair, Argan oil moisturizes the scalp and accelerates the healing process. At Argan oil morocco, we provide argan oil that optimizes argan oil properties to your advantage. We put our best efforts in providing the highest Bulk...

Jeudi 12 mars 2020

Most filter paper is made of cotton fibers and is made in different ways for different purposes. Because it's made of fiber, As a result, its surface has numerous small holes through which liquid particles can pass, while larger solid particles cannot. This property allows the mixing...

Mercredi 11 mars 2020

The raw material of the glass beads is glass sand, which is fused into a spherical shape by high temperature suspension and then annealed to eliminate internal stress and prevent breakage. This transparent, clear spherical structure product does not have particles embedded in the...

Mercredi 11 mars 2020

Glass Beads can be used in all water and oil based drilling fluids to reduce torque and drag and to aid in the prevention of differential sticking. They should have no measurable effect on the desired properties of the mud system and can be removed by a desilter or centrifuge. Adding...

Lundi 09 mars 2020

Hawach cellulose extraction thimble is of the advanced design team with excellent workmanship. Meanwhile, it features in a lightweight, high-temperature resistance, good heat insulation, acid and alkali resistance, non-toxic, with high tensile strength and toughness. Moreover, Hawach...

Mardi 25 février 2020

Quantité : 250000 lit - Prix : 25 USD

Famous for its positive effects on the skin and the hair, Argan oil moisturizes the scalp and accelerates the healing process. At Argan oil morocco, we provide argan oil that optimizes argan oil properties to your advantage. We put our best efforts in providing the highest Bulk...

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

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...

Mardi 14 janvier 2020

Membrane filter can be described as the permeate and the retentate when the substances pass a single feed stream through a membrane system and separate into two individual streams. And the membrane that separates them is acting like a physical barrier with highly specialized characteristics...

Lundi 13 janvier 2020

The dispersed solid phase extraction kit is selected based on the type of food being analyzed and the method used. In this step, the extracted sample is added in equal amounts to a 2 ml or 15 ml centrifuge tube. The centrifuge tube contains a small amount of solid phase extraction...

Jeudi 09 janvier 2020

Quantité : 100000 pcs - Prix : USD0.005-USD0.031

Being DOT, ICAO and IATA compliant, 95kPa transport bags supplied by FQ Packaging China manufacturer is suitable to be used as a watertight receptacle. You really don't need to worry about the water within it for 95kPa transport bags can be one of the best choice for containing liquid...

Jeudi 02 janvier 2020

Choosing the right filter for your filtration will be a big help to make sure that you can get the desired results for your applications.You can select a suitable filter material and size, after you consider whether you need vacuum or gravity filtration. Since there are so many types...

Vendredi 27 décembre 2019

Qualitron Chemicals the manufacturer and exporters of Phthalocyanine Pigments is an Evolving Firm built with a vision of producing industry standard Pigments.Along with Domestic supplies, we export our pigments to End users as well as to the traders, distributors of various countries...

Mercredi 25 décembre 2019

Quantité : 5000SET - Prix : 0.4-4

Yangzhou YILANMEI Hotel Supplies Limited Company is not only the professional manufacturer of hotel towels, both towels, hotel bathrobes, hotel linens, bath mats & laundry bags but also the experienced supplier of hotel coasters. Our disposable paper coasters present the distinct...

Mercredi 25 décembre 2019

Quantité : 5000SET - Prix : 0.4-4

Yangzhou Yi Lan Mei Hotel Supplies Limited Company is not only the professional manufacturer of hotel towels, bath towels, hotel bathrobes, hotel linens, bath mats & laundry bags but also the experienced supplier of hotel coasters. Our disposable paper coasters present the distinct...

Jeudi 12 décembre 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...

Mercredi 11 décembre 2019

The quality of a vacuum pump depends on its mechanical structure and the quality of the oil. It must be protected when using a vacuum pump. If the organic solvent with high volatility is distilled, the organic solvent will increase the vapor pressure by the oil absorption, thereby...

Mercredi 11 décembre 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...

Mardi 10 décembre 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...

Lundi 09 décembre 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...