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ISO 7932:1993

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

General information

Withdrawn from 16.06.2004
ICS Groups
07.100.01 Microbiology in general
Directives or regulations
None

Standard history

Status
Date
Type
Name
16.06.2004
Main
ISO 7932:2004
Main
ISO 7932:1993
Main
ISO 7932:1987
Corrigendum
ISO 7932:1993/Cor 1:1997
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.

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Standard monitoring
English (PDF 566 KB)

Related products

Corrigendum

ISO 7932:1993/Cor 1:1997

ISO 7932:1993 - Corrigendum
Withdrawn from 16.06.2004
Main

ISO 7932:2004

Microbiology of food and animal feeding stuffs -- Horizontal method for the enumeration of presumptive Bacillus cereus -- Colony-count technique at 30 degrees C
Newest version Valid from 16.06.2004
Main

CWA 16335:2011

Biosafety professional competence
Newest version Withdrawn from 02.10.2023
Main

CWA 16393:2012

Laboratory biorisk management - Guidelines for the implementation of CWA 15793:2008
Newest version Withdrawn from 02.10.2023

Standards designation

EVS Estonian standard
EN European standard (published by an CEN or CENELEC)
EN ISO International standard adopted as an European standard
ISO International Organization for Standardization’s standard
IEC International Electrotechnical Commission’s standard
HD CENELEC’s harmonisation document
   
EVS-EN European standard implemented in Estonia
EVS-EN ISO International standard adopted in Europe and implemented in Estonia
EVS-EN ISO/IEC International standard/International electrotechnical standard adopted in Europe and implemented in Estonia
EVS-IEC International electrotechnical standard implemented in Estonia
EVS-ISO International standard implemented in Estonia
   
A, AMD amedment
+A a full standard plus the amendment
/A only amendment
COR, AC corrigendum
+COR a full standard plus the corrigendum
NA national annex
+NA a full standard plus the national annex
/NA only national annex
TS technical specification
TR technical report
CWA agreement, developed by a CEN or CENELEC
prEVS-EN (etc) draft standard
   
et the standard is in Estonian only
en the standard is in English only
et-en the standard is in Parallel text Estonian-English