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Comparison of the Particle Size Distribution of Alpha Quartz in Respirable Coal Mine Dust Samples With Four Reference Standards.

Authors
Huggins-CW; Johnson-SJ; Segreti-JM; Snyder-JG
Source
43rd Ann Mtg of Electron Micro Soc of Amer 1985 :122-123
Link
NIOSHTIC No.
10004832
Abstract
Particle size distribution of alpha quartz in respirable dust samples collected in 7 states from 9 underground and 14 surface coal mines in the eastern United States were made by scanning electron microscopy and image analysis and compared with -5 um min-u-sil, -5 um supersil, NBS 1878, and silver bond b reference standards. The accumulated particle size measurements indicated that three reference standards-- -5 um min-u-sil, -5 um supersil, and NBS 1878-- would be preferred over the fourth, silver bond b, for quantitative quartz determinations in eastern coal mines by x-ray diffraction and infrared spectrometry.
Publication Date
19850101
Document Type
OP;
Fiscal Year
1985
NTIS Accession No.
NTIS Price
Identifying No.
OP 90-85
NIOSH Division
AVRC;
Source Name
43rd Ann. Mtg. of Electron Micro. Soc. of Amer., 1985, PP. 122-123
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