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I.S. EN ISO 21187:2021

Current

Current

The latest, up-to-date edition.

Milk - Quantitative determination of microbiological quality - Guidance for establishing and verifying a conversionrelationship between results of an alternative method and anchor method results

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

29-03-2021

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.


Dates of withdrawal of national standards are available from NSAI.

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principles
5 Consideration of factors influencing the conversion relationship
6 Test samples
7 Analysis
8 Establishing a conversion relationship
9 Verification of a conversion relationship
10 Test report
Annex A (informative) Number of test samples for linear regression
Annex B (informative) Example identification of outliers and calculation of conversion relationship
Annex C (informative) Example — Calculation of significance (verification of conversion relationship)
Bibliography

This document gives guidelines for the establishment of a conversion relationship between the results of an alternative method and an anchor method, and its verification for the quantitative determination of the microbiological quality of milk.

Committee
TC 34
DocumentType
Standard
Pages
38
ProductNote
The date of any NSAI previous adoption may not match the date of its original CEN/CENELEC document.
PublisherName
National Standards Authority of Ireland
Status
Current
Supersedes

Standards Relationship
ISO 21187:2021 Identical
EN ISO 21187:2021 Identical

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