Standard Number: ISO 4831-1991
Title: microbiology; general guidance for the enumeration of coliforms; most probable number technique
Language: English
Replaced by Standard:
Replacing Standard: ISO 4831-1978
Publication Date: 1991-3-1
Execute Date: 1991-1-1
Revocatory Date: 2006-8-14
Adopted International Standard:
Status: Withdrawn
Standard Type:
International Classification for Standards (ICS)：
Publisher: International Organization for Standardization (ISO)
Price:10
Number of Pages:16
Preface:
Description: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 standards. 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.
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Tile in English: microbiology; general guidance for the enumeration of coliforms; most probable number technique