Evaluation of Short Term versus Long Term Air Quality Sampling Methods Using X-ray Fluorescence and Neutron Activation Analysis
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University of Cincinnati / OhioLINK
2011
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| Online Access: | http://rave.ohiolink.edu/etdc/view?acc_num=ucin1299180519 |
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ndltd-OhioLink-oai-etd.ohiolink.edu-ucin12991805192021-08-03T06:14:34Z Evaluation of Short Term versus Long Term Air Quality Sampling Methods Using X-ray Fluorescence and Neutron Activation Analysis Stratton, Charles D. Nuclear Engineering air sampling neutron activation analysis X-ray fluorescence PM2.5 Research has shown that particulate matter of 2.5 micrometers in diameter or smaller is harmful to humans. Air quality sampling for particles of this size is a way to characterize the air by the elements that are present. This research compares two methods of air quality sampling, one which is a long term sample and one which is a short term sample. The long term sample is a new method which collects 5 short term samples on one filter. The objective of utilizing a long term sampling method was to accumulate a greater amount of mass on the filters but still evaluate a limited period of exposure when vehicular traffic is expected to be greatest, i.e., during the morning rush hour. The samples were analyzed using X-ray fluorescence (XRF) and neutron activation analysis (NAA). NAA results confirm that for most elements analyzed, the long term sampling method results in accumulation of greater elemental mass than collected on the short term air sample filter. NAA proved to be a superior for measuring many of the important vehicle-related particulate matter than XRF. However, XRF was useful for detecting several important elements, such as calcium, that cannot be detected with NAA. 2011-04-20 English text University of Cincinnati / OhioLINK http://rave.ohiolink.edu/etdc/view?acc_num=ucin1299180519 http://rave.ohiolink.edu/etdc/view?acc_num=ucin1299180519 unrestricted This thesis or dissertation is protected by copyright: all rights reserved. It may not be copied or redistributed beyond the terms of applicable copyright laws. |
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NDLTD |
| language |
English |
| sources |
NDLTD |
| topic |
Nuclear Engineering air sampling neutron activation analysis X-ray fluorescence PM2.5 |
| spellingShingle |
Nuclear Engineering air sampling neutron activation analysis X-ray fluorescence PM2.5 Stratton, Charles D. Evaluation of Short Term versus Long Term Air Quality Sampling Methods Using X-ray Fluorescence and Neutron Activation Analysis |
| author |
Stratton, Charles D. |
| author_facet |
Stratton, Charles D. |
| author_sort |
Stratton, Charles D. |
| title |
Evaluation of Short Term versus Long Term Air Quality Sampling Methods Using X-ray Fluorescence and Neutron Activation Analysis |
| title_short |
Evaluation of Short Term versus Long Term Air Quality Sampling Methods Using X-ray Fluorescence and Neutron Activation Analysis |
| title_full |
Evaluation of Short Term versus Long Term Air Quality Sampling Methods Using X-ray Fluorescence and Neutron Activation Analysis |
| title_fullStr |
Evaluation of Short Term versus Long Term Air Quality Sampling Methods Using X-ray Fluorescence and Neutron Activation Analysis |
| title_full_unstemmed |
Evaluation of Short Term versus Long Term Air Quality Sampling Methods Using X-ray Fluorescence and Neutron Activation Analysis |
| title_sort |
evaluation of short term versus long term air quality sampling methods using x-ray fluorescence and neutron activation analysis |
| publisher |
University of Cincinnati / OhioLINK |
| publishDate |
2011 |
| url |
http://rave.ohiolink.edu/etdc/view?acc_num=ucin1299180519 |
| work_keys_str_mv |
AT strattoncharlesd evaluationofshorttermversuslongtermairqualitysamplingmethodsusingxrayfluorescenceandneutronactivationanalysis |
| _version_ |
1719433328199729152 |