Top Suppliers Micro filtration membrane (M) series to Barcelona Factory
Top Suppliers Micro filtration membrane (M) series to Barcelona Factory Detail:
M series membrane can be divided into mixed cellulose, nylon-6, nylon-66, PES, PVDF, PTFE, PP type according to material.
Mixed cellulose micro membrane
A polymer film filter, mixed by nitrocelluolose and cellulose acetate. Pore extreme development, Effective porosity of up to 80%. Uniform aperture, small resistance, high flow speed, little absorption, no media loss during filtration.
Nylon-6, Nylon-66 microfiltration membrane
Representative aliphatic polyamide filter, with natural hydrophilic, positive charge. Pore development, pore forming with mesh, has excellent resistance to organic solvents, acid, alkali, heat. Meantime with high mechanical strength.
PES Microporous membrane
Sulfonated treatment to polymer polyethersulfone resin, bring in sulfonic acid gene. This membrane has good chemical compatibility, protein absorption rate lower than nylon. With high filtration precision, it is a safe sterile cartridge. Effective operture openins, high flux. Typical asymmetric pore structure, strong fouling resistance.
PVDF Microporous membrane
Fluorine type filter material. With natural hydrophobic, protein absorption rate is very low, excellent heat and chemical resistance, tolerated acid, aliphatic, aromatic vinyl alcohol, aldehydes, ketones and other organic and inorganic solvents. Can be used for both steam and liquid sterile filtration. High porosity, asymmetric pore structure, high pollutant capacity. Can be changed to hydrophilic membrane, used for solid and sterile filtration of high surface tension water based liquid.
PTFE Microporous membrane
Fluorine type filter material, with natural strong hydrophobic. Excellent heat resistance and widely chemical compatibility, bidirectional stretched into hole. Extremely development pore, It is an excellent steam sterile filter, also suitable for high corrosion, strong oxidizing organic solvent and inorganic solvent. With low gas resistance, high flux, it can be changed into hydrophilic membrane, used for solid and sterile filtration of high surface tension water base liquid.
Product detail pictures:
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We often believe that one's character decides products' top quality, the details decides products' good quality ,along with the REALISTIC,EFFICIENT AND INNOVATIVE staff spirit for Top Suppliers Micro filtration membrane (M) series to Barcelona Factory, The product will supply to all over the world, such as: Iraq , Czech Republic , Johor , There are advanced producing & processing equipment and skilled workers to ensure the products with high quality. We have found an excellent before-sale, sale, after-sale service to ensure the customers that could rest assured to make orders. Until now our products are now moving on fast and very popular in South America, East Asia, the Middle east, Africa, etc.
In this video we make gold by reduction of chloroauric acid with sodium metabisulfite.
4 grams of sodium metabisulfite is dissolved in 10mL of water.
About 2mL of water is added to 2.6g chloroauric acid to dissolve it. Now the sodium metabisulfite is added in drop by drop.
The sodium metabisulfite is reacts with the chloroauric acid to produce elemental gold, hydrochloric acid and sodium bisulfate. That brown precipitate you’re seeing is actually the gold. It doesn’t look like common gold because the particles of gold produced here are so small and rough that they don’t reflect light in the way smooth bulk gold does. Just like how very fine sand is dull but glass is clear and shiny.
The gold dust is filtered and washed with water and then melted down into gold nuggets.
By Rita from Switzerland - 2015.12.10 19:03
We have been looking for a professional and responsible supplier, and now we find it.
By Grace from India - 2016.10.27 12:12