A new approach to the determination of pyrite in coals by Mössbauer spectroscopy

A new approach to the determination of pyrite in coals by Mössbauer spectroscopy

A new approach to the quantitative determination of pyrite in coals by Mössbauer spectroscopy is described. The method uses a duplex absorber consisting of the coal sample and an iron foil. The use of iron as an internal standard, together with a calibration graph, should allow reproducible Mössbaue...

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Veröffentlicht in:Fuel (Guildford) 1986-08, Vol.65 (8), p.1103-1107
Hauptverfasser: Audley, G.J., Pyne, G.S., Tricker, M.J., Cranshaw, T.E., Laundy, B.J.
Format: Artikel
Sprache:eng
Schlagworte:
coal
mineral matter
Mössbauer spectroscopy
pyrite
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Zusammenfassung:A new approach to the quantitative determination of pyrite in coals by Mössbauer spectroscopy is described. The method uses a duplex absorber consisting of the coal sample and an iron foil. The use of iron as an internal standard, together with a calibration graph, should allow reproducible Mössbauer spectroscopic determination of the pyrite content of coals to be made in different laboratories. Good agreement is obtained between pyrite values obtained by the Mössbauer spectroscopy and conventional methods.
ISSN:0016-2361
1873-7153
DOI:10.1016/0016-2361(86)90177-8