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Tuesday, December 17, 2019

Quantity : 500pcs - Price : 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...

Monday, December 16, 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...

Saturday, December 14, 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...

Friday, December 13, 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...

Friday, December 13, 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...

Friday, December 13, 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...

Friday, December 13, 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...

Friday, December 13, 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...

Friday, December 13, 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,...

Thursday, December 12, 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...

Thursday, December 12, 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...

Thursday, December 12, 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...

Thursday, December 12, 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...

Wednesday, December 11, 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...

Wednesday, December 11, 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...

Wednesday, December 11, 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...

Tuesday, December 10, 2019

Quantity : 1L - Price : 7 $ - 9.50 $

Extra Virgin brand new olive oil available for export market. Shipping bottled, branded, customized branding, or in VRAC. Certified products with possibility to ship free samples worldwide. Feel free to contact us for any further details. Location : Route de M'saken Km1, 4000 Sousse, Contact ...

Tuesday, December 10, 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...

Tuesday, December 10, 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...

Tuesday, December 10, 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...

Tuesday, December 10, 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...

Tuesday, December 10, 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...

Monday, December 09, 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...

Monday, December 09, 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...

Monday, December 09, 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...

Monday, December 09, 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...

Wednesday, December 04, 2019

Quantity : 500 Kg - Price : 400 €/kg FOB Entebbe

We sell certified organic Uganda gourmet Vanilla, harvested Q3 2019. Specifications: - Vanillin content : 2.4% - Moisture content: 30.4% Anamysis certificate and/or samples cn be provided on demand. Available quantity: 500 Kg - Minimum order 50 Kg - Larger quantities available on...

Friday, November 29, 2019

Quantity : 100000pcs/ - Price : 1.5-8.8usd

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...

Thursday, November 28, 2019

Quantity : 100000pcs/ - Price : 0.8-3.7usd

Cosmetic High Quality Eco Friendly Paper Eyeshadow Packaging Box Product List Paper eyeshadow packaging is our typical product. Product name Eyeshadow Packaging Box Size L18*W8*H2cm Accept Customization Color Gray Shape Round Shape Industrial Use Cosmetic Box Usage StorageEyeshadow...

Tuesday, November 26, 2019

Quantity : 1000 - Price : 100,00 €

Physical property of rubber conveyor belt air accelerated aging test(test condition: 50°C*96h). Class Solution Concentration Covered Condition The Change Rate Before And After Coverd Volume Expansivity Strength Change Rate A1 (HCI) 18% 50°C X 96h ≥10% ≤10% A2 (H2S04) 50% 50°C X 96h...