BS ISO 20128:2006
Current
The latest, up-to-date edition.
Milk products. Enumeration of presumptive Lactobacillus acidophilus on a selective medium. Colony-count technique at 37°C
Hardcopy , PDF
English
29-06-2007
Foreword
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Diluents, culture media and reagents
5.1 Basic materials
5.2 Diluent
5.3 Culture media
6 Apparatus and glassware
7 Sampling
8 Procedure
8.1 Sample preparation and decimal dilutions
8.2 Inoculation and incubation
8.3 Enumeration of colonies
9 Calculation and expression of results
9.1 Calculation
9.2 Expression of results
9.3 Example
10 Precision
10.1 Interlaboratory test
10.2 Repeatability
10.3 Reproducibility
11 Test report
Annex A (informative) Interlaboratory test
Bibliography
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