Blank values of trace elements in aerosol filters determined by ICP-MS |
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| Institution: | 1. State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China;2. Henan Institute of Science and Technology, Xinxiang 453003, China;1. Department of Chemistry, Faculty of Science, Suez University, Suez, Egypt;2. Egyptian Petroleum Research Institute, Cairo 11727, Naser City, Egypt;3. Department of Chemistry, McGill University, Montreal, QC H3A 2K6, Canada;4. Department of Chemistry, Mansoura University, Mansoura 33516, Egypt;1. Universidad de Navarra, Facultad de Ciencias Economicas, Edificio Biblioteca, Entrada Este, E-31080 Pamplona, Spain and Universidad Francisco de Vitoria, Madrid, Spain;2. Department of Statistics, University of Ibadan, Ibadan, Nigeria. & Institute of Business Research, University of Economics, Ho Chi Minh City, Viet Nam;3. University of the Witwatersrand, School of Construction Economics and Management, 1 Jan Smuts Avenue, Johannesburg, South Africa;4. Capital Markets Board of Turkey, Capital Markets Board of Turkey, Eskişehir Yolu, Ankara, 06530, Turkey |
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| Abstract: | Blank values of 30 elements in 19 different filter types from Gelman, Millipore, Nuclepore and Whatman have been compared. The filter media were extracted with dilute nitric acid and the element contents determined by ICP-MS. Large differences in blank values were observed between different filter materials. Glass fiber filters showed high blank values for a number of elements, whereas PTFE filters were generally the cleanest. However, most filter types showed high blank values of one or more elements of environmental interest. |
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