1926
DOI: 10.1002/zaac.19261510111
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Das Zustandsdiagramm Calcium/Quecksilber

Abstract: Die thermische Analyse ergibt im Einklang mit entsprechenden mikrophotographischen Aufnahmen bzw. ergänzt durch diese, daß aus Ca‐Amalgamen mit mehr als 2,15 Gew.‐% Ca primär die Kristallart CaHg3, sich ausscheidet. Diese reagiert bei 265° mit einer Schmelze von 2,15% Ca‐Gehalt unter Bildung der Kristallart CaHg5. Die Reaktion verläuft vollständig. Die Kristallart CaHg5 wird auch durch direkte Analyse gutausgebildeter einzelner Kristalle bestätigt. Bei + 84° reagieren die CaHg5‐Kristalle mit einer Schmelze von… Show more

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Cited by 9 publications
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“…The cooling curves of calcium amalgams and their microstructures when frozen on glass surfaces are consistent with the existence of three compounds, CaHg,, CaHg5, and CaHg,,, and the second of these may be obtained in relatively large crystals by pouring the amalgams into water. 39 Stock has directed attention to the possibility that workers exposed to the vapour given 08 by mercury a t laboratory temperatures may contract very serious mercury poisoning, unless there is an extremely good system of ventilation. The condition of chronic poisoning thus developed can only be cured by several years' abstention from all work involving the use of mercury.…”
Section: Croup Imentioning
confidence: 99%
“…The cooling curves of calcium amalgams and their microstructures when frozen on glass surfaces are consistent with the existence of three compounds, CaHg,, CaHg5, and CaHg,,, and the second of these may be obtained in relatively large crystals by pouring the amalgams into water. 39 Stock has directed attention to the possibility that workers exposed to the vapour given 08 by mercury a t laboratory temperatures may contract very serious mercury poisoning, unless there is an extremely good system of ventilation. The condition of chronic poisoning thus developed can only be cured by several years' abstention from all work involving the use of mercury.…”
Section: Croup Imentioning
confidence: 99%