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Separation and identification of minerals from Northern Great Plains Province lignite.

Authors
Paulson-LE; Beckering-W; Fowkes-WW
Source
Fuel 1972 Jul; 51(3):224-227
NIOSHTIC No.
10010420
Abstract
Minerals were separated from nine lignite samples on the basis of specific gravity differences by float/sink of fine particles in carbon tetrachloride. Examination of the sink fractions showed the presence of nacrite, barite, pyrite, hematite, quartz, calcite, gypsum, and fragments of a mixture of a-quartz and nacrite. No separable minerals were found in which sodium was a major constituent.
CODEN
FUELAC
Publication Date
19720701
Document Type
OP; Journal Article
Fiscal Year
1972
NTIS Accession No.
NTIS Price
Identifying No.
OP 121-72
Issue of Publication
3
ISSN
0016-2361
NIOSH Division
GFER
Source Name
Fuel
State
ND
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