ONORM EN ISO 21187 : 2005
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
MILK - QUANTITATIVE DETERMINATION OF BACTERIOLOGICAL QUALITY - GUIDANCE FOR ESTABLISHING AND VERIFYING A CONVERSION RELATIONSHIP BETWEEN ROUTINE METHOD RESULTS AND ANCHOR METHOD RESULTS
01-06-2021
12-01-2013
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principles
4.1 Prerequisites
4.2 Organizational set-up
5 Establishing a conversion relationship
5.1 Consideration of influencing factors
and their consequences
5.2 Test samples
5.3 Pretreatment of test samples
5.4 Analysis
5.5 Calculation
5.6 Expression of results
6 Verification of a conversion relationship
6.1 Frequency of verification
6.2 Test samples
6.3 Pretreatment of test samples
6.4 Analysis
6.5 Calculation and verification of a
conversion relationship
7 Test report
Annex A (informative) Number of samples for
linear regression
Bibliography
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