Validation of a hydride generation atomic absorption spectrometry methodology for determination of mercury in fish designed for application in the Brazilian national residue control plan

In the present study, a method for the determination of mercury (Hg) in fish was validated according to ISO/IEC 17025, INMETRO (Brazil), and more recent European recommendations (Commission Decision 2007/333/EC and 2002/657/EC) for implementation in the Brazilian Residue Control Plan (NRCP) in routi...

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Bibliographic Details
Published in:Journal of environmental science and health. Part B, Pesticides, food contaminants, and agricultural wastes Pesticides, food contaminants, and agricultural wastes, 2013-12, Vol.48 (12), p.1103-1111
Main Authors: Damin, Isabel C.F, Santo, Maria A.E, Hennigen, Rosmari, Vargas, Denise M
Format: Article
Language:English
Subjects:
Agronomy. Soil science and plant productions
Animal, plant and microbial ecology
Animals
Applied ecology
atomic absorption spectrometry
Biological and medical sciences
Brazil
Comparative analysis
detection limit
Environmental health
Fish
Fish Products - analysis
Fishes
Food Contamination - analysis
Fundamental and applied biological sciences. Psychology
hydride generation atomic absorption spectrometry
hydrides
Mercury
Mercury - analysis
Spectrophotometry, Atomic - methods
Validation
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Summary:In the present study, a method for the determination of mercury (Hg) in fish was validated according to ISO/IEC 17025, INMETRO (Brazil), and more recent European recommendations (Commission Decision 2007/333/EC and 2002/657/EC) for implementation in the Brazilian Residue Control Plan (NRCP) in routine applications. The parameters evaluated in the validation were investigated in detail. The results obtained for limit of detection and quantification were respectively, 2.36 and 7.88 μg kg⁻¹ of Hg. While the recovery varies between 90–96%. The coefficient of variation was of 4.06–8.94% for the repeatability. Furthermore, a comparison using an external proficiency testing scheme was realized. The results of method validated for the determination of the mercury in fish by Hydride generation atomic absorption spectrometry were considered suitable for implementation in routine analysis.
ISSN:1532-4109
0360-1234
1532-4109
DOI:10.1080/03601234.2013.824303