Whatman Filter Paper Pore Size 1 Micron

A guide to whatman filter paper grades cytiva formerly ge healthcare life sciences.

Whatman filter paper pore size 1 micron.

Our membrane filter offering includes pore sizes from 0 015 to 12 µm. Whatman 10408714 mixed cellulose ester filter me range me 24 3 1 mm white black grid for membrane butler 0 2um pore size 50 mm circle 400 pcs regular price. This finish also keeps the paper free from loose surface fibres. The 0 5 μm pore size is normally used.

Assess the chemical compatibility of the membrane with the liquid or gas to be filtered. Membrane filters are recommended for retention of very small particles or for microbiological purposes. When selecting a filter paper determine the particle size to be retained or filtered. Size 1 5cm this whatman 1 5cm grade 1 cellulose filter paper is the most widely used filter paper for routine applications with medium retention 11µm and flow rate.

Sterile venting of vacuum manifolds fermentation vessels and sterile filtrate tanks and containers utilize ptfe 0 2 μm membranes. Whatman membrane filters nylon pore size 0 8 μm diam. Traditionally this grade is used in qualitative analytical separations for precipitates such as lead sulfate calcium oxalate hot and calcium carbonate. 12 4530 56whatman membrane filter plain white cellulose nitrate 47mm dia 5 micron pore size filter paper phase separator 9cm package of 100 price.

Usual pore sizes are 0 2 μm and 0 5 μm. Whatman 1001 125 qualitative filter paper circles 11 micron 10 5 s 100ml sq inch flow rate grade 1 125mm diameter pack of 100 4 2 out of 5 stars 41 17 41. Air and gas sterilization make use of the hydrophobic characteristics of ptfe membranes and their ability to stop aqueous aerosols. Whatman filter papers and membranes are world renowned as a standard for laboratory filtration and are associated with quality reliability and reproducibility.

Filter papers or membranes come in various grades depending on the application. 2 7 μm retention of finest crystalline precipitates. Hardened and highly glazed surface.