I.S. 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Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
View Superseded by
MILK - QUANTITATIVE DETERMINATION OF BACTERIOLOGICAL QUALITY - GUIDANCE FOR ESTABLISHING AND VERIFYING A CONVERSION RELATIONSHIP BETWEEN ROUTINE METHOD RESULTS AND ANCHOR METHOD RESULTS
Hardcopy , PDF
30-09-2021
English
01-01-2005
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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
Provides guidelines for the establishment of a conversion relationship between the results of a routine method and an anchor method, and its verification for the quantitative determination of the bacteriological quality of milk.
| DocumentType |
Standard
|
| Pages |
24
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Withdrawn
|
| SupersededBy |
| Standards | Relationship |
| ONORM EN ISO 21187 : 2005 | Identical |
| UNE-EN ISO 21187:2007 | Identical |
| UNI EN ISO 21187 : 2006 | Identical |
| NBN EN ISO 21187 : 2005 | Identical |
| NS EN ISO 21187 : 1ED 2006 | Identical |
| SN EN ISO 21187 : 2005 | Identical |
| NF EN ISO 21187 : 2006 | Identical |
| ISO 21187:2004 | Identical |
| EN ISO 21187:2005 | Identical |
| NEN EN ISO 21187 : 2005 | Identical |
| BS EN ISO 21187:2005 | Identical |
| DIN EN ISO 21187:2006-01 | Identical |
| ISO/IEC 17025:2005 | General requirements for the competence of testing and calibration laboratories |
| ISO 11095:1996 | Linear calibration using reference materials |
| ISO 16140:2003 | Microbiology of food and animal feeding stuffs Protocol for the validation of alternative methods |
| ISO 8196-2:2009 | Milk — Definition and evaluation of the overall accuracy of alternative methods of milk analysis — Part 2: Calibration and quality control in the dairy laboratory |
| ISO 8196-1:2009 | Milk — Definition and evaluation of the overall accuracy of alternative methods of milk analysis — Part 1: Analytical attributes of alternative methods |
| ISO 3534-1:2006 | Statistics — Vocabulary and symbols — Part 1: General statistical terms and terms used in probability |
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