About: The system Os-Mo-S     Goto   Sponge   NotDistinct   Permalink

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Description
  • Phase relations in the Os-Mo-S system were studied by the technique of evacuated silica glass tubes in a 1000 isothermal section. Molybdenite forms stable assemblages with erlichmanite and osmium. Mo2S3 coexists with Os, Mo and Mo-Os alloys. Experiments aimed at the determination of the MoS2 -OsS2 solvus were conducted at temperatures 600 - 1200°C. Molybdenite dissolves 0.24 and <0.2 at.% Os at 1200°C and 1000°C, respectively; below 1000°C, the Os contents are below 0.1 at%. Os concentrations in natural molybdenite are extremely low, on the order of ppb (Stein et al. 2001), and therefore are extremely unlikely to reach the experimentally established solubility limit. According to a thermodynamic analysis, OsS2 is stable in the pyrrhotite stability field, which corresponds to a geologically common activity of sulphur. Therefore, Os will prefer to be sulphide-bonded under the same conditions under which molybdenite occurs in nature.
  • Phase relations in the Os-Mo-S system were studied by the technique of evacuated silica glass tubes in a 1000 isothermal section. Molybdenite forms stable assemblages with erlichmanite and osmium. Mo2S3 coexists with Os, Mo and Mo-Os alloys. Experiments aimed at the determination of the MoS2 -OsS2 solvus were conducted at temperatures 600 - 1200°C. Molybdenite dissolves 0.24 and <0.2 at.% Os at 1200°C and 1000°C, respectively; below 1000°C, the Os contents are below 0.1 at%. Os concentrations in natural molybdenite are extremely low, on the order of ppb (Stein et al. 2001), and therefore are extremely unlikely to reach the experimentally established solubility limit. According to a thermodynamic analysis, OsS2 is stable in the pyrrhotite stability field, which corresponds to a geologically common activity of sulphur. Therefore, Os will prefer to be sulphide-bonded under the same conditions under which molybdenite occurs in nature. (en)
  • Fázové vztahy v soustavě Os-Mo-S byly studovány technikou zatavených evakuovaných křemenných trubic v teplotním řezu 1000 °C . Molybdenit tvoří stabilní asicoace s erlichmanitem a osmiem. Mo2S3 coexistuje s Os, Mo a Mo-Os slitinama. Experimenty zaměřené na solvus MoS2 -OsS2 byly provedeny v teplotním intervalu 600 – 1200 °C . Při 1200 °C se v molybdenitu rozpouští 0.24 and <0.2 at.% Os. (cs)
Title
  • The system Os-Mo-S
  • Soustava Os-Mo-S (cs)
  • The system Os-Mo-S (en)
skos:prefLabel
  • The system Os-Mo-S
  • Soustava Os-Mo-S (cs)
  • The system Os-Mo-S (en)
skos:notation
  • RIV/00025798:_____/08:00000166!RIV09-MZP-00025798
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA205/08/0122), Z(MZP0002579801)
http://linked.open...iv/cisloPeriodika
  • 5
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 398875
http://linked.open...ai/riv/idVysledku
  • RIV/00025798:_____/08:00000166
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • Os-Mo-S, phase relations, Os (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • CA - Kanada
http://linked.open...ontrolniKodProRIV
  • [173D533BCEAD]
http://linked.open...i/riv/nazevZdroje
  • Canadian Mineralogist
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 46
http://linked.open...iv/tvurceVysledku
  • Drábek, Milan
  • Rieder, Milan
http://linked.open...ain/vavai/riv/wos
  • 261417400014
http://linked.open...n/vavai/riv/zamer
issn
  • 0008-4476
number of pages
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