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Uncertainty of high resolution inductively coupled plasma mass spectrometry based aerosol measurements |
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| Authors: | Serpil Yenisoy-Karaka? Eftade O. Gaga |
| Affiliation: | a University of Abant Izzet Baysal, Faculty of Art and Sciences, Department of Chemistry, 14280 Bolu, Turkey b Anadolu University, Faculty of Engineering and Architecture, Department of Environmental Engineering, Eski?ehir, Turkey c TUBITAK UME (National Metrology Institute), P. O. Box 54, 41470 Gebze-Kocaeli, Turkey d University of Abant Izzet Baysal, Faculty of Architecture and Engineering, Department of Environmental Engineering, 14280 Bolu, Turkey |
| Abstract: | Simultaneous and multi-elemental method was optimized to determine 35 elements in 274 coarse and fine aerosol samples by using HR-ICP-MS. The procedures were validated. Measurement uncertainties of all elements including sampling uncertainties were calculated by applying bottom-up approach. The average recoveries obtained for each element ranged between 79% and 129% using NIST SRM 1648, urban dust. The calculated uncertainties of the analytical methods were between 2.9% and 18% for both sample types. The major contributions to the uncertainty budget come from the calibration curves, repeatability and volume of air. |
| Keywords: | Elements Aerosols High resolution inductively coupled plasma mass spectrometry Method validation Microwave digestion Uncertainty |
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