This research is to investigate to what extend the NIOSH-7605 and ISO-16740 methods can be used to determine insoluble hexavalent chromium in air. The methods were tested and optimized on the extraction and sample preparation steps. After optimization the methods were validation on limit of detection …

Perfluoro alkyl substances (PFAS) are substances in which contain multiple fluorine atoms. The fluorine atoms are bound to, often, long carbon chains. PFAS are able to repel dirt and water, due to the large amount of fluorine atoms in the molecules. PFAS are also chemically and thermally stable. Many …

This paper describes the robustness determination and optimization of L-cysteine addition for total mercury content determination by Instrumental Neutron Activation Analysis (INAA). Instrumental Neutron Activation Analysis is an analysis technique to measure concentrations of chemical elements regardless …