PORE - 791 Annonces

Lundi 30 septembre 2019

Quantité : 25kg - Prix : FOB Qingdao 2.4-2.9$

What is polyanionic cellulose? Description of Oil Drilling Grade CMC & PAC CMC & PAC( polyanionic cellulose pac) can be used as fluid loss reducer or viscosifier in drilling fluids. The function of CMC is to reduce the fluid loss as much as possible through forming low permeability...

Lundi 30 septembre 2019

1. Stainless steel filter cartridge shape is stable and its impact resistance and alternating load capacity are superior to other metal filter materials. 2. The pore is uniform and stable, the permeability is good, the pressure loss is small, the filtration precision is high, and...

Lundi 30 septembre 2019

1. The pore size of the filter membrane must be accurately selected as needed before use. The material to be filtered must be larger than the pore size of the membrane. 2. It should be cleaned before use, that is, soaked in distilled water of about 70-80 degrees for 4 hours, or soaked...

Lundi 30 septembre 2019

HPLC columns are widely used in many fields, whose column efficiency, capacity, permeability characteristics, and service life are very important. After using for a period of time, there will be changes such as column pressure increase, column efficiency decrease, etc. If no measures are taken...

Dimanche 29 septembre 2019

Hawach glass solvent filter is made of high-quality borosilicate glass, which can be used to filter various aqueous solutions, organic substances, and corrosive liquids. The glass Solvent filter is available in one liter and two liters and consists of a triangular liquid collection bottle...

Vendredi 27 septembre 2019

Ceramic membranes (Porous Ceramic Membrane & tubular ceramic membrane) are available for microfiltration, ultrafiltration and nanofiltration as single-channel or multiple-channel elements with channel diameters between 2 and 16mm. Their main characteristics of porous tubular ceramic...

Vendredi 27 septembre 2019

Microfiltration (commonly abbreviated to MF) is a type of physical filtration process where a contaminated fluid is passed through a special pore-sized membrane to separate microorganisms and suspended particles from process liquid. MF membrane is commonly used in conjunction with...

Vendredi 27 septembre 2019

The ceramic microfiltration membrane element ( MF membrane) is made from alumina and zirconia which is an asymmetric membrane structure with multi-channel tubular shape. The pore is on the channel. Driven by operation pressure, the liquid is running in the membrane. The part less...

Vendredi 27 septembre 2019

Nanofiltration (NF) or nanofiltration membrane technology is a relatively recent membrane filtration process used most often with low total dissolved solids water such as surface water and fresh groundwater, with the purpose of softening (polyvalent cation removal) and removal of...

Vendredi 27 septembre 2019

The organic membrane is a material having a selective separation function, and when there is a driving force on both sides of the membrane (such as a pressure difference, a concentration difference, a potential difference, etc.), the raw material component selectively permeates the membrane...

Vendredi 27 septembre 2019

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...

Vendredi 27 septembre 2019

JIUWU company produces the ceramic ultrafiltration membranes with the pore size 20nm, 50nm and so on. JIUWU company offers a large choice of ceramic uf membrane with different geometries and cut-offs to meet your process requirements in viscosity, molecule size, impurity profile,...

Vendredi 27 septembre 2019

Reliable flash columns play a decisive role in a good chromatographic separation method, which ensures complete separation of valuable compounds and specific impurities. Choosing the right flash column is the most critical part of the purification process. There are two aspects should...

Vendredi 27 septembre 2019

Quantité : 25kg - Prix : 2.4usd

Description of Oil Drilling Grade CMC & PAC CMC & PAC can be used as fluid loss reducer or viscosifier in drilling fluids. The function of CMC is to reduce the fluid loss as much as possible through forming low permeability, flexible, thin and compact filtration cake on borehole wall...

Vendredi 27 septembre 2019

1. To protect the life of the filter, use the same size filter paper or crepe cloth on the filter to prevent the filter from rupturing. 2. As the determination of the bubble point: the determination of the bubble point pressure can reflect the pore size of the sterilized microporous membrane...

Mercredi 25 septembre 2019

There are four factors that should be considered by the experimenters when selected the proper filter papers. The first factor is the hardness. The filter paper will become wet when it is used in the filtration. And so the experimenters should consider those papers which are tougher...

Mardi 24 septembre 2019

Hawach scientific provide high-quality MCE Grid membrane filter and the products have been exporting to more than 120 countries and area. MCE Grid membrane filter is a kind of mixed cellulose wafer film with mesh, which is mainly used to count the bacterial colony after culture, and...

Vendredi 20 septembre 2019

The impactor mainly relies on high-pressure air to drive the internal piston to hit the drill bit. Compressed air can also be used as pore washing medium. Pneumatic impactors can be divided into high and low wind pressures, valve type and valveless type. Usually the pneumatic impactor...

Vendredi 20 septembre 2019

Hawach spherical C18 flash column is a typical column product used for the preparative separation, which has undergone rigorous mass determination before sales. The performance parameters of the flash column are carefully controlled and rigorously tested as well. Basic Information...

Vendredi 20 septembre 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 ...

Mercredi 18 septembre 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...

Mercredi 18 septembre 2019

Flash column from Hawach Scientific features in high compatibility, safety, and flexibility, most of them can be used for separation of different compounds with good flow distribution. Customized packing and clean package make the super clean environment and better shipping cost,...

Mercredi 18 septembre 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...

Mercredi 18 septembre 2019

Hawach SPE Cartridges are made of medical grade PP and forming in one time. Frits are made of UHMW-PE. There is a variety of models to choose, such as Normal Phase Cartridge, Reversed Phase Cartridge, Ion Exchanges Cartridge, Mixed Mode Cartridges and so on. Here, We would like to...

Mardi 17 septembre 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...

Mardi 17 septembre 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,...

Mardi 17 septembre 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...

Mardi 17 septembre 2019

Filtering water is not as simple as it seems to be, because the pores in a membrane often get clogged with the material, and it is hard to clean or replace them. Depended on the new filter design, you don't have to worry about it anymore. The liquid-gated membrane is tested a new...

Jeudi 12 septembre 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”...

Jeudi 12 septembre 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...