DIN EN ISO 7932:2005-03
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 DEGREE C
Hardcopy , PDF
30-11-2020
01-01-2005
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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