Reference number
ISO 17994:2014
© ISO 2025
International Standard
ISO 17994:2014
Water quality — Requirements for the comparison of the relative recovery of microorganisms by two quantitative methods
Edition 2
2014-02
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Published (Edition 2, 2014)
This publication was last reviewed and confirmed in 2019. Therefore this version remains current.

ISO 17994:2014

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CHF 132
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Abstract

ISO 17994:2014 specifies 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.

It 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.

ISO 17994:2014 does not provide methods for the verification of method performance characterization in a single laboratory.

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