ESTIMATING UNCERTAINTY AND QUALITY OF LEAD DETERMINANTION IN HUMAN BLOOD - Carpathian Journal of Earth And Environmental Sciences

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Daniela BOROŠOVÁ,
Regional Authority of Public Health, Department of chemical analyses Cesta k nemocnici 1, 975 56 Banská Bystrica
Zuzana KLÖSLOVÁ,
Regional Authority of Public Health, Department of risk assessment and genetic toxicology Cesta k nemocnici 1, 975 56 Banská Bystrica
Marek DRIMAL
Matej Bel University, Faculty of Natural Sciences, Department of Environmental Management, Tajovského 40, 974 01 Banská Bystrica

ESTIMATING UNCERTAINTY AND QUALITY OF LEAD DETERMINANTION IN HUMAN BLOOD

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Abstract: Estimating uncertainty and quality of lead determination in blood.
The method for the direct determination of lead by AAS in whole human blood is presented. The previous experience and validation data are suggested as sources of performance information. The method recovery, sample recovery, homogeneity, precision and calibration were included to estimate measurement uncertainty compliant with ISO/IEC 17025 : 2005. The results of measurements using this method have uncertainty (52-23)% in the working range (70 – 700) μg.l^-1.

Keyword: blood, lead, uncertainty, biomonitoring, human exposure to Pb