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ISO 4831:1991

Microbiology — General guidance for the enumeration of coliforms — Most probable number technique

Standard Details

This second edition cancels and replaces the first edition (ISO 4831:1978). It is intended to provide general guidance for the examination of products not dealt with by existing International StandardDetails. These guidelines may not be appropriate for some products in every detail, and for some other products it may be necessary to use different methods. The technique described here is less precise than that described in ISO 4832. Gives references, and the definition of the term coliforms. Specifies principle, culture media and dilution fluid, apparatus and glassware, sampling, preparation of the test sample, procedure, expression of results and test report.

General Information

Status : WITHDRAWN
Standard Type: Main
Document No: ISO 4831:1991
Document Year: 1991
Pages: 11
Edition: 2

Life Cycle

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WITHDRAWN
ISO 4831:1991
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