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A Small-scale Test for Free-swelling Index of Coal.

Authors
Abernethy-RF; Snyder-JP
Source
NTIS: PB 201 892 :17 pages
Link
NIOSHTIC No.
10008591
Abstract
A small-scale method was developed for determining the free-swelling index of coal samples of limited quantity, especially the macerals. Results of a series of tests using a 0.3-Gram sample correlated well with those by the standard method using a 1-gram sample. The standard and small-scale methods are modified to give unrestricted swelling for those coals having swelling index numbers above 7.
Publication Date
19710101
Document Type
IH; Report of Investigation;
Fiscal Year
1971
NTIS Accession No.
PB-201892
NTIS Price
A03
Identifying No.
RI 7534
NIOSH Division
PERC;
Source Name
NTIS: PB 201 892
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