Quality assurance in analytical measurement |
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Authors: | V I Paneva Olga B Ponomareva |
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Institution: | (1) The Urals Scientific- and Research Intstitute of Metrology, 4 Krasnoarmeiskaya Street, 620219, GSP-824 Ekaterinburg, Russia Tel.: +7-3432-552534 Fax: +7-3432-552369 e-mail: DOBROV@lamsis.mplik.ru, RU |
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Abstract: | The peculiarities of analytical measurement require to check characteristics of the error (its components) of the obtained
analysis results to assure the quality of the measurements. This article deals with the various quality assurance procedures
and algorithms which are used to check the quality indices, i.e. the accuracy, reproducibility, certainty and repeatability
of analytical measurements: These procedures include: laboratory rapid control; Intra-laboratory statistical control (statistical
selection control by alternative attribute, statistical selection control by quantity method of periodic check of the analysis
procedure for conformity to the specified requirements) and external control (inter-laboratory control checks, inter-laboratory
comparison tests, and intra-laboratory control algorithms carried out by the appropriate supervisory body.) in the separately
taken laboratory. The respective algorithms, control plans and control requirements, specified according to the different
control aims and assurance tasks, enable the quality and certianty of analytical information obtained in laboratories in Russia
to be assured.
Received: 9 November 1998 / Accepted: 24 November 1998 |
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Keywords: | Analytical measurements Quality assurance Quality index control Intra-laboratory control External control |
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