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.
Whatman filter paper pore size 1 micron.
Air and gas sterilization make use of the hydrophobic characteristics of ptfe membranes and their ability to stop aqueous aerosols.
Sterile venting of vacuum manifolds fermentation vessels and sterile filtrate tanks and containers utilize ptfe 0 2 μm membranes.
Filter papers or membranes come in various grades depending on the application.
When selecting a filter paper determine the particle size to be retained or filtered.
Whatman products such as filter papers and membranes offer high quality innovative technologies for dna sample collection and preparation.
I use a 0 45 micron filter paper porosity to.
Hardened and highly glazed surface.
We consistently use whatman 934 ah glass microfiber filters which.
This finish also keeps the paper free from loose surface fibres.
To help our customers find the whatman filter paper they require we have setup this handy whatman filter selector guide.
Whatman filter papers and membranes are world renowned as a standard for laboratory filtration and are associated with quality reliability and reproducibility.
The 0 5 μm pore size is normally used.
Our membrane filter offering includes pore sizes from 0 015 to 12 µm.
12 4530 03whatman membrane filter plain white cellulose nitrate 47mm dia 0 1 micron pore size membrane filter white plain 25mm x 0 45 micron package of 100 price.
Traditionally this grade is used in qualitative analytical separations for precipitates such as lead sulfate calcium oxalate hot and calcium carbonate.
2 7 μm retention of finest crystalline precipitates.
A guide to whatman filter paper grades cytiva formerly ge healthcare life sciences.
Assess the chemical compatibility of the membrane with the liquid or gas to be filtered.
The minuet difference between the various filter pore size will have.
Usual pore sizes are 0 2 μm and 0 5 μm.
Membrane filters are recommended for retention of very small particles or for microbiological purposes.
Whatman is a brand that has been trusted by scientists for generations in the lab every day.