BS ISO 14461-2:2005
Current
The latest, up-to-date edition.
Milk and milk products. Quality control in microbiological laboratories Determination of the reliability of colony counts of parallel plates and subsequent dilution steps
Hardcopy , PDF
English
04-08-2005
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Procedure
5.1 General
5.2 Counting results of two parallel plates
5.3 Sum of counting results of subsequent dilution steps
6 Evaluation
6.1 Tables of results
6.2 Examples of testing parallel plates
6.3 Examples of testing sums of two subsequent dilution
steps
7 Calculation formulae and examples
7.1 In Table 1
7.2 In Table 2
7.3 Examples
Define a routine procedure for the evaluation of results of the enumeration of microorganisms using colony-count methods with subsequent 10-fold dilution steps and one plate or two parallel plates within each dilution step.
| Committee |
AW/5
|
| DevelopmentNote |
Supersedes 03/307076 DC. (08/2005)
|
| DocumentType |
Standard
|
| Pages |
28
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| ISO 14461-2:2005 | Identical |
| ISO 14461-1:2005 | Milk and milk products — Quality control in microbiological laboratories — Part 1: Analyst performance assessment for colony counts |
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