Table 1. Experimental Solubility of Barium Sulfate in Pure Water at Varying Temperatures T and Pressures P Determined in This Worka.
| T/K | p/bar | bBaSO4 · μmol/kg H2O |
|---|---|---|
| 323.1 | 101.3 | 14 ± 3 |
| 323.1 | 201.5 | 16.3 ± 0.16 |
| 323.1 | 301.1 | 20.2 ± 0.2 |
| 373.1 | 100.1 | 19.6 ± 0.3 |
| 373.1 | 200.0 | 20.5 ± 0.2 |
| 373.1 | 351.2 | 22 ± 1 |
| 373.1 | 2.0 | 12 ± 1 |
| 373.1 | 2.0 | 13.4 ± 0.7 |
| 379.1 | 2.2 | 14.72 ± 0.08 |
| 383.1 | 2.4 | 16.23 ± 0.03 |
| 393.1 | 2.9 | 17.8 ± 0.2 |
| 398.1 | 3.3 | 17.8 ± 0.5 |
| 416.1 | 4.9 | 20.99 ± 0.09 |
| 416.1 | 4.9 | 22.1 ± 0.1 |
| 423.1 | 5.8 | 19.54 ± 0.04 |
| 440.1 | 8.4 | 16.0 ± 0.4 |
a
Standard uncertainty for temperature is u(T) = 0.1 K, and standard uncertainty for pressure is us(p) = 0.1 bar.