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The porosity of amosite and chrysotile asbestos.

Authors
Gorski-CH; Stettler-LE; Lempert-BL
Source
Am Ind Hyg Assoc J 1976 Feb; 37(2):117-122
NIOSHTIC No.
00059443
Abstract
A computer program is set up in Fortran language to calculate pore size distribution using the Cranston-Inkley method of calculation. Nitrogen (7727379) adsorption isotherms are determined on amosite and chrysotile asbestos at minus 195 degrees-C. Size reduction is found to have a major effect on increasing pore volumes of both asbestos (1332214) materials. Bar graphs are given showing the effect of grinding on the pore size distribution of amosite and chrysotile (12001295) and the effect of preconditioning temperature on the pore size distribution of mechanically dispersed amosite and chrysotile. Though chrysotile is much more porous than amosite, similarly processed samples of amosite and chrysotile have similar average pore diameters.
Keywords
NIOSH-Author; Mineral-dusts; Dust-control; Analytical-methods; Silicates; Physical-properties; Insulation-materials; Minerals
CODEN
AIHAAP
CAS No.
7727-37-9; 1332-21-4; 12001-29-5
Publication Date
19760201
Document Type
Journal Article
Fiscal Year
1976
NTIS Accession No.
NTIS Price
Issue of Publication
2
ISSN
0002-8894
Source Name
American Industrial Hygiene Association Journal
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