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DIN EN ISO 21187 E : 2006

Current
Current

The latest, up-to-date edition.

MILK - QUANTITATIVE DETERMINATION OF BACTERIOLOGICAL QUALITY - GUIDANCE FOR ESTABLISHING AND VERIFYING A CONVERSION RELATIONSHIP BETWEEN ROUTINE METHOD RESULTS AND ANCHOR METHOD RESULTS
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2006

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
Annex NA (informative) Bibliography
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
19
PublisherName
German Institute for Standardisation (Deutsches Institut für Normung)
Status
Current
SupersededBy

DIN EN ISO 16297 E : 2014 MILK - BACTERIAL COUNT - PROTOCOL FOR THE EVALUATION OF ALTERNATIVE METHODS (ISO 16297:2013)

ISO/IEC 17025:2005 General requirements for the competence of testing and calibration laboratories
ECA 4-10 : 2002 ACCREDITATION FOR LABORATORIES PERFORMING MICROBIOLOGICAL TESTING
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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