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4. Conclusion
In addition to filtration, membranes have other analytical applications. They can be used in dialysis, reverse osmosis, purification, enrichment, controlled addition of reagents, or in sampling and coupling systems between process and analytical systems. Flow-force fractionation, or polarization chromatography, can illustrate the development of new methods. It is a means of measuring the size of colloidal particles in a system, similar to those used in tangential filtration since it involves suspension flow close to a porous wall. The technique involves passing the solution through a capillary channel, one wall of which is made of a membrane, and determining, for a given filtrate flow rate through the membrane, the passage time of the various particles, thus obtaining the equivalent of a size exclusion chromatogram.
Filtration techniques are used in a wide range...
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Conclusion
Bibliography
Websites
A3P Services http://www.a3p.org (page consulted on March 20, 2013)
Club français des membranes (CFM) http://www.cfm-mb.fr/ (page consulted on April 03, 2013)
Directories
Suppliers – Distributors
BIORAD http://www.bio-rad.com
FIORONI http://www.filtres-fioroni.com
HYFLUX laboratory http://www.hyfluxmembranes.com
...Standards and norms
- Qualité de l'eau : dosage des matières en suspension. Méthode par filtration sur filtre en fibres de verre - NF EN 872 AFNOR - 2005
- Méthode de détermination de la porosité - ASTM F316 - 2011
- Définition de la vitesse de filtration sur filtre libre - DIN 53137 - 1967
- Teneur en cendre des filtres papiers (0,1 à 0,2 %) papier ordinaire pour analyse qualitative et moins de 0,01 % pour l'analyse quantitative...
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