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The heat capacity and thermodynamic functions of pyromorphite over the temperature range 5–320 K
| Content Provider | Semantic Scholar |
|---|---|
| Author | Bissengaliyeva, Mira R. Gogol, Daniil B. Bekturganov, N. S. |
| Copyright Year | 2011 |
| Abstract | The heat capacity of natural mineral, pyromorphite Pb5(PO4)3Cl, was measured over the temperature range 4.2–320 K using low-temperature adiabatic calorimetry. An anomalous temperature dependence of heat capacity with a maximum at 273.24 K was observed between 250 and 290 K. The heat capacity, entropy, enthalpy, and reduced thermodynamic potential of pyromorphite were calculated and tabulated over the temperature range 5–320 K. The standard thermodynamic functions of the mineral are Cp298.15o = 414.98 ± 0.44 J/(mol K), S298.15o = 585.31 ± 0.99 J/(mol K), H298.15o − H0o = 80.90 ± 0.08 kJ/mol, and Φ298.15o = 313.97 ± 0.84 J/(mol K). |
| Starting Page | 157 |
| Ending Page | 163 |
| Page Count | 7 |
| File Format | PDF HTM / HTML |
| DOI | 10.1134/S0036024411020075 |
| Volume Number | 85 |
| Alternate Webpage(s) | https://page-one.springer.com/pdf/preview/10.1134/S0036024411020075 |
| Alternate Webpage(s) | https://doi.org/10.1134/S0036024411020075 |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
