Reproducibility and Quality Control in the Analysis of Biological Samples for Lead and Mercury

Autor: David W. Yeager, Bernard E. Saltzman, Bernard G. Meiners
Rok vydání: 1983
Předmět:
Zdroj: American Industrial Hygiene Association Journal. 44:263-267
ISSN: 0002-8894
DOI: 10.1080/15298668391404761
Popis: A simple statistical calculation was applied to 8 years of data on routine control sample and duplicate analyses from a laboratory quality control program. This provided standard deviations truly representative of this laboratory at no additional analytical expense, and accurate information on how they varied with concentrations. From these, the detection limit of the method, upper warning limits, and upper control limits for differences between duplicate analyses were calculated. These values were conveniently used for quality control in determinations of lead in blood and of mercury in urine.
Databáze: OpenAIRE