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Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
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
11-30-2020
01-01-2005
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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
Describes a horizontal method for the enumeration of viable presumptive Bacillus cereus by means of the colony-count technique at 30 degree C.
| DocumentType |
Standard
|
| Pages |
17
|
| PublisherName |
German Institute for Standardisation (Deutsches Institut für Normung)
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| I.S. EN ISO 7932:2005 | Identical |
| SN EN ISO 7932 : 2005 | Identical |
| EN ISO 7932:2004 | Identical |
| NBN EN ISO 7932 : 2005 | Identical |
| NS EN ISO 7932 : 2ED 2005 | Identical |
| NEN EN ISO 7932 : 2004 | Identical |
| UNE-EN ISO 7932:2005 | Identical |
| NF EN ISO 7932 : 2005 | Identical |
| BS EN ISO 7932:2004 | Identical |
| ISO 7932:2004 | Identical |
| UNI EN ISO 7932 : 2005 | Identical |
| ONORM EN ISO 7932 : 2005 | Identical |
| ISO 5725-1:1994 | Accuracy (trueness and precision) of measurement methods and results — Part 1: General principles and definitions |
| ISO 6887-1:2017 | Microbiology of the food chain — Preparation of test samples, initial suspension and decimal dilutions for microbiological examination — Part 1: General rules for the preparation of the initial suspension and decimal dilutions |
| ISO 7218:2007 | Microbiology of food and animal feeding stuffs — General requirements and guidance for microbiological examinations |
| ISO/TS 11133-2:2003 | Microbiology of food and animal feeding stuffs Guidelines on preparation and production of culture media Part 2: Practical guidelines on performance testing of culture media |
| ISO 5725-2:1994 | Accuracy (trueness and precision) of measurement methods and results Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method |
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