@ARTICLE{Widziewicz_Kamila_Metals_2015,
 author={Widziewicz, Kamila and Rogula-Kozłowska, Wioletta and Loska, Krzysztof},
 volume={vol. 41},
 number={No 4},
 journal={Archives of Environmental Protection},
 howpublished={online},
 year={2015},
 publisher={Polish Academy of Sciences},
 abstract={Presented study aimed to determine metals distribution on the quartz fiber filters surface coated with particulate matter by using high and low-volume samplers. The distribution pattern was tested using two different sub-sampling schemes. Each sub-sample was mineralized in the nitric acid in a microwave oven. An analysis was performed by means of atomic absorption spectroscopy with electrothermal atomization GF-AAS technique, and the determined elements were: As, Cd, Pb and Ni. A validation of the analytical procedure was carried out using NIES 28 Urban Aerosols standard reference material. It was assumed that metal is distributed uniformly if its normalized concentrations on a single sub-sample is within ±15% of the mean concentration over the whole filter. The normalized concentrations values exceed this range, indicating a non-homogenous metals distribution. There were no statistically significant differences in metals concentrations between particular sub-samples in the function of its position along the filters diameter.},
 type={Artykuły / Articles},
 title={Metals distribution on the surface of quartz fiber filters used for particulate matter collection},
 URL={http://www.czasopisma.pan.pl/Content/86098/PDF/10265-Volume41-Issue4_paper_01.pdf},
 doi={10.1515/aep-2015-0036},
 keywords={PM2.5, metals, quartz fiber filters, homogeneity, distribution},
}