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Validation in Chemical Measurement
Validationofmeasurementmethodshasbeenusedforavery ciated measurement uncertainty? The answer must be: no. longtimeinchemistry. Itismostlybasedontheexamination Therecanneverbeamechanismorrecipeforproducing - of a measurement procedure for its characteristics such as tomatically valid results because...
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| Auteurs principaux : | , , |
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| Format : | Livre |
| Langue : | anglais |
| Titre complet : | Validation in Chemical Measurement / edited by Paul Bièvre, Helmut Günzler. |
| Publié : |
Berlin, Heidelberg :
Springer Berlin Heidelberg
, 2005 Cham : Springer Nature |
| Accès en ligne : |
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| Sujets : | |
| Documents associés : | Autre format:
Validation in Chemical Measurement Autre format: Validation in Chemical Measurement Autre format: Validation in Chemical Measurement |
| Résumé : | Validationofmeasurementmethodshasbeenusedforavery ciated measurement uncertainty? The answer must be: no. longtimeinchemistry. Itismostlybasedontheexamination Therecanneverbeamechanismorrecipeforproducing - of a measurement procedure for its characteristics such as tomatically valid results because one can never eliminate precision, accuracy, selectivity, sensitivity, repeatability, re- theskills,theroleandtheresponsibilityoftheanalyst. producibility,detectionlimit,quanti?cationlimitandmore. ISO 9000:2000, item 3. 8. 5 de?nes validation as con?r- When focussing on quality comparability and reliability mation by examination and provision of objective evidence in chemical measurement, the ?elds of interest to this Jour- that the requirements for an intended use are ful?lled . The nal, one stumbles into various interpretations of the term revised edition of the VIM ( VIM3 ), is likely to ?ne-tune validation. It is one more example of a term which is used thisde?nitionoftheconcept validation tobe con?rmation sometimes very consistently, sometimes very loosely or in- through examination of a given item and provision of - deed ambiguously. Since the term is very common in the jective evidence that it ful?lls the requirements for a stated chemical community, it is important that its meaning be intendeduse . nd clear. Turning to the 2 edition of the International Vo- Lookingatsimplepractice, manypeoplearelookingfor cabulary of Basic and General terms in Metrology (VIM) aformaldecisionthatagivenmeasurementmethod automat- (1993), surprisingly we do not ?nd a de?nition. Webster s ically gives them valid i. e. reliable results. One wonders Dictionary of the English language (1992) tells us that val- what this has to do with stated intended use . Reliab- idation is making or being made valid . Obviously valida- ity clearly is a property of a measurement result |
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| ISBN : | 978-3-540-27034-8 |
| DOI : | 10.1007/b138530 |