NICKEL SPECIATION OF URBAN PARTICULATE MATTER

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A four-step sequential Ni extraction method, summarized in Table AB-1, was evaluated for identifying and quantifying the Ni species occurring in urban total suspended particulate (TSP) matter and fine particulate matter (<10 {micro}m [PM{sub 10}] and <2.5 {micro}m [PM{sub 2.5}] in aerodynamic diameter). The extraction method was originally developed for quantifying soluble, sulfidic, elemental, and oxidic forms of Ni that may occur in industrial atmospheres. X-ray diffraction (XRD) and x-ray absorption fine structure (XAFS) spectroscopy were used to evaluate the Ni species selectivity of the extraction method. Uncertainties in the chemical speciation of Ni in urban PM{sub 10} and PM{sub ... continued below

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37 pages

Creation Information

Galbreath, Kevin C.; Crocker, Charlene R.; Nyberg, Carolyn M.; Huggins, Frank E. & Huffman, Gerald P. October 1, 2003.

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  • University of North Dakota
    Publisher Info: University of North Dakota (United States)
    Place of Publication: [Grand Forks, North Dakota]

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Description

A four-step sequential Ni extraction method, summarized in Table AB-1, was evaluated for identifying and quantifying the Ni species occurring in urban total suspended particulate (TSP) matter and fine particulate matter (<10 {micro}m [PM{sub 10}] and <2.5 {micro}m [PM{sub 2.5}] in aerodynamic diameter). The extraction method was originally developed for quantifying soluble, sulfidic, elemental, and oxidic forms of Ni that may occur in industrial atmospheres. X-ray diffraction (XRD) and x-ray absorption fine structure (XAFS) spectroscopy were used to evaluate the Ni species selectivity of the extraction method. Uncertainties in the chemical speciation of Ni in urban PM{sub 10} and PM{sub 2.5} greatly affect inhalation health risk estimates, primarily because of the large variability in acute, chronic, and cancer-causing effects for different Ni compounds.

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37 pages

Notes

OSTI as DE00823014

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  • Other Information: PBD: 1 Oct 2003

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  • Report No.: NONE
  • Grant Number: FC26-98FT40321
  • DOI: 10.2172/823014 | External Link
  • Office of Scientific & Technical Information Report Number: 823014
  • Archival Resource Key: ark:/67531/metadc783499

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  • October 1, 2003

Added to The UNT Digital Library

  • Dec. 3, 2015, 9:30 a.m.

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  • Feb. 20, 2017, 12:45 p.m.

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Galbreath, Kevin C.; Crocker, Charlene R.; Nyberg, Carolyn M.; Huggins, Frank E. & Huffman, Gerald P. NICKEL SPECIATION OF URBAN PARTICULATE MATTER, report, October 1, 2003; [Grand Forks, North Dakota]. (digital.library.unt.edu/ark:/67531/metadc783499/: accessed December 11, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.