ISO 7932:1993

Microbiology — General guidance for the enumeration of Bacillus cereus — Colony-count technique at 30 degrees C

Publication date:   Oct 7, 1993

95.99 Withdrawal of Standard   Jun 16, 2004

General information

95.99 Withdrawal of Standard   Jun 16, 2004

ISO

ISO/TC 34/SC 9 Microbiology

International Standard

07.100.01   Microbiology in general

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Scope

The principle of the method specified is surface plating of a specified quantity of the test sample if the initial product is liquid, or of a specified quantity of an initial suspension in the case of other products, preparing other plates using decimal dilutions of the test sample, aerobic incubation of the plates at 30 °C, calculating the number of B. cereus per gram or per millilitre of sample from the number of confirmed colonies. Applies to products intended for human consumption or animal feeding stuffs.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 7932:1987

NOW

WITHDRAWN
ISO 7932:1993
95.99 Withdrawal of Standard
Jun 16, 2004

CORRIGENDA / AMENDMENTS

WITHDRAWN
ISO 7932:1993/Cor 1:1997

ABANDON
ISO 7932:1993/DAmd 1

REVISED BY

PUBLISHED
ISO 7932:2004