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Elemental partitioning in ash depositories and material balances for a coal burning facility by spark source mass spectrometry

Journal Article · · Environ. Sci. Technol.; (United States)
DOI:https://doi.org/10.1021/es00119a005· OSTI ID:6932703
Spark source mass spectrometry (SSMS) is shown to be an excellent analytical tool for determining enrichment factors and a useful tool for measuring material balances for a coal burning facility. Enrichment and material balance are measured for 62 elements in an Iowa and a Colorado coal by using SSMs as the sole analytical technique. Copper was used as an internal reference. The elements As, Cd, Ga, Ge, Pb, Sn, Tl, and Zn were found to be highly partitioned in the various ash depositories and Bi, Cs, Cu, I, Mo, Na, Se, Ta, and W were partially partitioned. The halogens, Hg, S, and Se were found to be lost to the stack. One-third of the elements studied for material balance gave an influent/effluent ratio agreeing within 30% of unity. Systematic errors are noted in relative sensitivity coefficients, used for instrument calibration, for some of the elements and between coal and ash samples.
Research Organization:
Ames Lab., IA
DOE Contract Number:
W-7405-ENG-82
OSTI ID:
6932703
Journal Information:
Environ. Sci. Technol.; (United States), Journal Name: Environ. Sci. Technol.; (United States) Vol. 18:1; ISSN ESTHA
Country of Publication:
United States
Language:
English

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