Lead dicalcium propionate
- Formula: C18H30Ca2O12Pb
- Molecular weight: 725.8
- CAS Registry Number: 17203-66-6
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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
DH - Eugene S. Domalski and Elizabeth D. Hearing
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Ttriple | 191.5 | K | N/A | Nakamura, Suga, et al., 1965 | Uncertainty assigned by TRC = 0.1 K; TRC |
Enthalpy of phase transition
| ΔHtrs (kJ/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 4.853 | 191.5 | crystaline, II | crystaline, I | Nakamura, Suga, et al., 1965, 2 | DH |
Entropy of phase transition
| ΔStrs (J/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 24.4 | 191.5 | crystaline, II | crystaline, I | Nakamura, Suga, et al., 1965, 2 | DH |
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.
Nakamura, Suga, et al., 1965
Nakamura, N.; Suga, H.; Chihara, H.; Seki, S.,
Phase transitions in crystalline divalent metal dicallium propionates. I. Calorimetric and dielectric investigations of stronium and lead dicalcium propionates,
Bull. Chem. Soc. Jpn, 1965, 38, 1779. [all data]
Nakamura, Suga, et al., 1965, 2
Nakamura, N.; Suga, H.; Chihara, H.; Seki, S.,
Phase transitions in crystalline divalent metal dicalcium propionates. I. Calorimetric and dielectric investigations of strontium and lead dicalcium propionates,
Bull. Chem. Soc. Japan, 1965, 38, 1779-1787. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
Ttriple Triple point temperature ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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