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Friday, September 20, 2019

The water filter cartridge is generally divided into MF (microfiltration), UF (ultrafiltration), NF (nanofiltration) and RO (reverse osmosis) and SF (sodium-ion exchanger filtration) for different purposes. Materials 1.MF: PPF (5-25 micron); active carbon granule and bar (5 micron)...

Friday, September 20, 2019

Hawach Scientific company specializes in the production of PES filter membrane, stable quality, products exported to Europe, North America, and other countries. We have more than 16 years of experience in the filtration industry. Pore size : 0.1um /0.22um/0.45um/0.65um/0.8um/1.2um Diamter ...

Thursday, September 19, 2019

Good usage habit can help the experimenters to prolong the service life of the vacuum filtration instruments. The experimenters should pay attention to the following items to keep the instruments in good conditions. 1. Please check that if the voltage marked by the nameplate on the...

Thursday, September 19, 2019

The filter paper used in the analytical laboratory performs a strong absorption effect for liquids, which can separate the solution from the solid. The filter paper produced domestically could be divided into three types, including qualitative filter paper, and quantitative filter paper...

Wednesday, September 18, 2019

In the analysis of HPLC, the packing size of chromatographic column is small, and it is easy to be blocked by impurity particles. Therefore, samples and solvents need to be pre-filtered to remove particulate pollutants and protect chromatographic columns and instruments. Ion chromatography...

Wednesday, September 18, 2019

The capsule filter is small in size and mainly used in purification and filtration of chemicals, pharmaceuticals, microelectronic reagents, etc. The filter medium is placed in the interior of the capsule filter in the form of folds, which enlarges the filtering area and ensures the...

Wednesday, September 18, 2019

Hawach Scientific provide Glass fiber filter membrane, with a binder and without binder both available. Here we introduce the without binder type. Pore size : 0.7um /1.2um Diamter : 13/25/47/50/60/90/100/106/120/142/150/20 0/250mm. Glass fiber filter membrane is chemically inert, without binder...

Tuesday, September 17, 2019

Application Description With the development of vacuum acquisition technology, its application has expanded to all aspects of industry and scientific researches. Generally speaking, the vacuum application means utilizing of the special physical environment of rarefied gas to accomplish...

Tuesday, September 17, 2019

The extraction thimble is formed by folding a certain length of straightened filter material and gluing the head and the tail. - Classification of extraction thimble - There are many kinds of extraction thimbles, which can be divided into thin and long ones and thick and short ones...

Tuesday, September 17, 2019

Hawach Scientific product quality in strict accordance with ISO9001: 2000 quality system certification procedures, and from now on we have exported to more than 120 countries. Overview of qualitative filter paper, analysis laboratory commonly used filter paper as a filter medium,...

Tuesday, September 17, 2019

Composed of a filter medium encased in a plastic housing, the filter capsule is a kind of self-contained unit which can be connected in-line to a sample-delivery system, such as a submersible or peristaltic pump. The unit can generate sufficient positive or negative pressure to force...

Monday, September 16, 2019

The syringe filter is mainly used for the filtration of solvent samples, which holds a crucial position in the sample prefiltration procedure, especially in the HPLC sample analysis. There are two basic aspects of the syringe filter that should be learned and memorized clearly. Composition...

Thursday, September 12, 2019

Filtration is a process in a chemical experiment, separating solids from liquids or gases through a filter medium. Only the fluid or the gas is allowed to pass, not the solid. And the key words of filtration terms can help you understand how the filter works. Hydrophilic, called “water-loving”...

Thursday, September 12, 2019

Vacuum filtration is a chemistry technique that can allow for a greater rate of filtration in the lab. In normal filtration, the gravity can provide the force drawing the liquid through the filter paper, but a pressure gradient performs this function in vacuum filtration, offering...

Thursday, September 12, 2019

Hawach Scientific is the production of filter paper professional manufacturers with advanced production technology and perfect testing equipment. Quantitative filter paper is suitable for a wide range of critical gravimetric analytical filtration procedures. In the manufacturing process...

Wednesday, September 11, 2019

Generally, there are five types of filter capsule based on the membrane it contains, which includes PES, PP, PTFE, Nylon and GF type. The former three types are widely applied in various fields and receive great feedback from the users. - PES Filter Capsule - The PES filter capsule...

Tuesday, September 10, 2019

General Description The vacuum filter is a device to separate solids from a liquid by negative vacuum pressure. In terms of its structure, the filter is designed horizontally along the length direction to continuously realize filtering, washing, drying and the regeneration of filter cloth...

Tuesday, September 10, 2019

Qualitative filter papers are widely used for general filtration in the lab. Made of cellulose fiber, they are manufactured from high-quality cotton linters with the treatment of maximizing alpha cellulose. With the highest degree of polymerization, Alpha cellulose is recommended...

Friday, September 06, 2019

Quantity : 1kg - Price : $4

Characters Vibrant formula that uses advanced technology to synthesize a highly effective and broad-spectrum bactericide to control the growth of microorganisms in the entire reverse osmosis system. Not only effectively control the growth of microorganisms in cellulose acetate film...

Tuesday, September 03, 2019

Hawch disposable syringe filter is a fast and reliable filtering tool commonly used in laboratories. With the beautiful appearance, light weight and high cleanliness, it is quite available in basically any kind of filtration experiments, including food analysis, bio-fuel analysis...

Tuesday, September 03, 2019

Hawach hydrophobic polytetrafluoroethylene(PTFE) pleated filter cartridge has high porosity, high flow rate, and strong bacterial interception ability. Unique PTFE and polypropylene materials make it have wide chemical compatibility and biological safety. Hawach PTFE pleated filter...

Tuesday, September 03, 2019

The mixed cellulose(MCE) membrane is made of refined nitrocellulose, added with the appropriate amount of cellulose acetate, acetone, n-butanol, ethanol, etc., which is hydrophilic, non-toxic and hygienic. The mixed cellulose membrane is a kind of porous membrane filtration material...

Thursday, August 22, 2019

It is greatly necessary to mention the Salmonella In Food for Import And Export-Membrane Filter Screening Method where the vacuum flask is introduced. For customers to learn about the device better, related information is as follows. - About the salmonella - Salmonella can be divided...

Saturday, August 17, 2019

Liquid filter housings, as a kind of indispensable device for conveying medium pipeline, can make the contaminated liquid to achieve a certain degree of cleanliness requiring by production and living. - Features of liquid filter housings: - 1. Easy installation and connection, simplified...

Friday, August 16, 2019

According to the given principles of Hawach, there are three general sorts of syringe filter products specially designed for different customers' requirements. FILTSTAR Series With a high class, transparent color and imported membrane, the FILTSTAR is obviously distinguished with three standards...

Friday, August 16, 2019

The membrane filters of different materials have different characteristics. Here are as follows: - Nylon (NY) Material - Features: hydrophilic, resistant to some organic materials, not strong acid, protein binding capacity is high, so it is not suitable for protein recovery. Application...

Thursday, August 15, 2019

Glass solvent filters are used for solvent particle removal and water phase mobile phase filtration. All components of glass solvent filters in contact with solvents are made of chemically inert glass or PTFE materials, which are used in combination with regenerated cellulose (RC)...

Thursday, August 15, 2019

Background Technique The wood pulp with a characteristic of single fiber, has been serving as the only raw material of the quantitative filter paper. To improve its filtering accuracy, the pore size has to be reduced, which can increase the filtering resistance and shorten the practical...

Wednesday, August 14, 2019

Syringe filters are available out-of-the-box, no need for membrane changes and cleaning, and allow easy purification or detoxification of various solutions, including cell and microbial media, reagents, and additives, protein solutions and buffers. - Maintenance of a syringe filter - 1...

Wednesday, August 14, 2019

A gas filter housing is an advanced, efficient and easy to operate automatic filter device. It is widely used in metallurgy, chemical industry, petroleum, papermaking, medicine, food, mining, electric power, urban water supply fields. A gas filter housing is composed of shell, multi-element...