Membrane filtration for water quality testing
Microbial quality of a product has the potential for immediate impact to the consumer. A reliable and versatile water testing method is a necessity to determine the safety for human contact, use, and consumption, and detect the presence of organisms that cause spoilage and reduced shelf life.
Often the challenge in water quality testing involves concentrating enough of the target organism to detect. Membrane filters have been recognized since the 1950’s for their ability to concentrate particulate and cells on the surface, and are widely used in bacteriology.
This article discusses important characteristics of a membrane filter that affect performance and integrity of results.
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