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EC number: 222-477-6 | CAS number: 3486-35-9
Vapour pressure
Administrative data
- Endpoint:
- vapour pressure
- Data waiving:
- study scientifically not necessary / other information available
- Justification for data waiving:
- other:
- Justification for type of information:
- Decomposition and CO2 development of pure zinc carbonate starts at ca. 200°C.
Data source
Referenceopen allclose all
- Reference Type:
- review article or handbook
- Title:
- Gmelins Handbuch der anorganischen Chemie, 8. völlig neu bearbeitete Auflage - Zink Ergänzungsband
- Author:
- E. H. Erich Pietsch
- Year:
- 1 956
- Bibliographic source:
- Verlag Chemie, GmbH, Weinheim/Bergstr.
- Reference Type:
- publication
- Title:
- Dynamic and controlled rate thermal analysis of hydrozincite and smithsonite
- Author:
- Veronika Vágvölgyi, M. Hales, W. Martens, J. Kristóf, Erzsébet Horváth and R. L. Frost
- Year:
- 2 008
- Bibliographic source:
- Journal of Thermal Analysis and Calorimetry, Vol. 92 (2008) 3, 911–916
Materials and methods
Results and discussion
Vapour pressureopen allclose all
- Temp.:
- ca. 80 °C
- Vapour pressure:
- ca. 0.007 Torr
- Temp.:
- 100 °C
- Vapour pressure:
- ca. 4.4 Torr
Transition / decomposition
- Key result
- Transition / decomposition:
- yes
- Transition temp.:
- ca. 200 °C
Any other information on results incl. tables
Zinc carbonate decomposes at elevated temperatures [ Gmelins Handbuch der anorganischen Chemie, 8. völlig neu bearbeitete Auflage - Zink Ergänzungsband]
Equilibrium pressure (CO2 development):
| Temp °C | 80 | 100 | 200 | 210 | 230 | 300 |
| Torr (CO2) | 0.007 | 4.4 | 844 | 1269 | 2759 | 27436 |
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