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BS EN ISO 17994:2014

BS EN ISO 17994:2014

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Current

The latest, up-to-date edition.

Water quality. Requirements for the comparison of the relative recovery of microorganisms by two quantitative methods

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

02-28-2014

Publisher

British Standards Institution

Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions and symbols
4 Principle
5 Basic requirements for a comparison study
6 Calculations
7 Evaluation
Annex A (informative) - Flowchart
Annex B (informative) - Comparison studies
Annex C (informative) - Derivation of equation for
         calculation of the number of samples
Annex D (informative) - Example of a two-sided
         evaluation
Bibliography

Describes an evaluation procedure for comparing two methods with established performance characteristics according to ISO/TR 13843 and intended for the quantification of the same target group or species of microorganisms.

This International Standard specifies an evaluation procedure for comparing two methods with established performance characteristics according to ISO/TR13843 and intended for the quantification of the same target group or species of microorganisms.

This International Standard provides the mathematical basis for the evaluation of the average relative performance of two quantitative methods against chosen criteria for the comparison. It does not provide data for assessment of the precision of the methods being compared. It is appropriate that the precision of methods is assessed as part of their performance characterization.

This International Standard does not provide methods for the verification of method performance characterization in a single laboratory.

Committee
EH/3/4
DevelopmentNote
Supersedes BS 6068-4.19(2004) & 12/30236292 DC. (02/2014)
DocumentType
Standard
Pages
34
PublisherName
British Standards Institution
Status
Current
Supersedes

BS 8496:2007 Water quality. Enumeration of micro-organisms in water samples. Guidance on the estimation of variation of results with particular reference to the contribution of uncertainty of measurement

ISO 8199:2005 Water quality General guidance on the enumeration of micro-organisms by culture
ISO/IEC Guide 99:2007 International vocabulary of metrology Basic and general concepts and associated terms (VIM)
ISO/TR 13843:2000 Water quality Guidance on validation of microbiological methods

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Hardcopy - English
PDF - English
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