ISO 7954:1987

Microbiology — General guidance for enumeration of yeasts and moulds — Colony count technique at 25 degrees C

Publication date:   Oct 15, 1987

95.99 Withdrawal of Standard   Jul 1, 2008

General information

95.99 Withdrawal of Standard   Jul 1, 2008

ISO

ISO/TC 34/SC 9 Microbiology

International Standard

07.100.01   Microbiology in general

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Scope

The method consists in preparing of poured plates using a specified selective culture medium and a specified quantity of a test sample, further dilutions of the test sample. Then aerobic incubation of the plates at 25 degrees centigrade for 3, 4 or 5 days, followed by calculation of the number of yeasts and moulds per gram or per millilitre of the sample from the number of colonies obtained on plates chosen at dilution levels so as to give a significant result.

Life cycle

NOW

WITHDRAWN
ISO 7954:1987
95.99 Withdrawal of Standard
Jul 1, 2008

REVISED BY

PUBLISHED
ISO 21527-1:2008

PUBLISHED
ISO 21527-2:2008