calcium
- Formula: Ca
- Molecular weight: 40.078
- IUPAC Standard InChIKey: OYPRJOBELJOOCE-UHFFFAOYSA-N
- CAS Registry Number: 7440-70-2
- Chemical structure:
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- Other data available:
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Phase change data
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 1757. | K | N/A | Honig and Kramer, 1969 | Uncertainty assigned by TRC = 2. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 1112.9 | K | N/A | Honig and Kramer, 1969 | Uncertainty assigned by TRC = 2. K; TRC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (bar)
T = temperature (K)
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Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
1254. to 1712. | 2.78473 | 3121.368 | -594.591 | Hartmann and Schneider, 1929 | Coefficents calculated by NIST from author's data. |
References
Go To: Top, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Honig and Kramer, 1969
Honig, R.E.; Kramer, D.A.,
Vapor pressure data for the solid and liquid elements,
RCA Rev., 1969, 1969, 285. [all data]
Hartmann and Schneider, 1929
Hartmann, H.; Schneider, R.,
Die Siedetemperaturen von Magnesium, Calcium, Strontium, Barium and Lithium,
Z. Anorg. Allg. Chem., 1929, 180, 1, 275-283, https://doi.org/10.1002/zaac.19291800129
. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
Tboil Boiling point Ttriple Triple point temperature - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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