I.S. EN ISO 7932:2005
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
MICROBIOLOGY OF FOOD AND ANIMAL FEEDING STUFFS - HORIZONTAL METHOD FOR THE ENUMERATION OF PRESUMPTIVE BACILLUS CEREUS - COLONY-COUNT TECHNIQUE AT 30 DEGREES C
Hardcopy , PDF
13-05-2020
English
01-01-2005
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Foreword
0 Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Dilution fluid, culture media and reagents
6 Apparatus and glassware
7 Sampling
8 Preparation of test sample
9 Procedure
9.1 Test portion, initial suspension and dilutions
9.2 Inoculation and incubation
9.3 Counting of the colonies
9.4 Confirmation
10 Expression of results
10.1 Count of presumptive B. cereus colonies
10.2 No colonies
10.3 Precision
11 Test report
Annex A (normative) Confidence limits for the estimation of
small numbers of colonies
Annex B (informative) Results of interlaboratory test
Bibliography
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