• Shopping Cart
    There are no items in your cart

ONORM EN ISO 21187 : 2005

Withdrawn

Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

View Superseded by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

Withdrawn date

01-06-2021

Published date

12-01-2013

Sorry this product is not available in your region.

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
PublisherName
Osterreichisches Normungsinstitut/Austrian Standards
Status
Withdrawn
SupersededBy

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

Access your standards online with a subscription

Features

  • Simple online access to standards, technical information and regulations.

  • Critical updates of standards and customisable alerts and notifications.

  • Multi-user online standards collection: secure, flexible and cost effective.