A decision theory approach to fitness for purpose in analytical measurement

T Fearn; S A Fisher; M Thompson; S L R Ellison

doi:10.1039/b111465d

A decision theory approach to fitness for purpose in analytical measurement

T Fearn, S A Fisher, M Thompson, S L R Ellison

Research output: Contribution to journal › Article › peer-review

48 Citations (Scopus)

Abstract

The choice of an analytical procedure and the determination of an appropriate sampling strategy are here treated as a decision theory problem in which sampling and analytical costs are balanced against possible end-user losses due to measurement error. Measurement error is taken here to include both sampling and analytical variances, but systematic errors are not considered. The theory is developed in detail for the case exemplified by a simple accept or reject decision following an analytical measurement on a batch of material, and useful approximate formulae are given for this case. Two worked examples are given, one involving a batch production process and the other a land reclamation site.

Original language	English
Pages (from-to)	818 - 824
Number of pages	7
Journal	Analyst
Volume	127
Issue number	6
DOIs	https://doi.org/10.1039/b111465d
Publication status	Published - 2002

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A decision theory approach to fitness for purpose in analytical measurement

Abstract

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