Potassium Silicate (K2SiO3) K2O3Si1(cr,l) T(K) Cp S -[G-H(Tr)]/T H-H(Tr) delta-f H delta-f G log Kf 0 0. 0. INFINITE -21.870 -1539.542 -1539.542 INFINITE 100 63.262 46.944 236.438 -18.949 -1544.710 -1515.904 791.827 200 98.198 103.052 156.335 -10.657 -1547.151 -1485.986 388.100 298.15 118.407 146.147 146.147 0. -1548.080 -1455.733 255.038 300 118.758 146.881 146.149 0.219 -1548.089 -1455.160 253.366 400 135.562 183.448 151.021 12.971 -1552.872 -1423.255 185.858 500 148.114 215.101 160.743 27.179 -1551.745 -1390.957 145.312 600 157.737 242.994 172.173 42.492 -1549.626 -1358.985 118.310 700 164.850 267.859 184.099 58.632 -1546.808 -1327.426 99.054 800 170.707 290.268 195.992 75.420 -1543.488 -1296.307 84.640 900 175.310 310.648 207.617 92.728 -1539.816 -1265.627 73.455 1000 179.075 329.321 218.867 110.455 -1535.919 -1235.369 64.529 1100 182.004 346.523 229.700 128.505 -1689.825 -1196.287 56.807 1200 185.351 362.515 240.110 146.887 -1683.623 -1151.692 50.132 1249.000 186.376 369.955 245.059 155.996 CRYSTAL <--> LIQUID 1249.000 179.912 410.154 245.059 206.204 TRANSITION 1300 179.912 417.354 251.677 215.379 -1627.403 -1109.665 44.587 1400 179.912 430.687 263.994 233.370 -1621.773 -1070.051 39.924 1500 179.912 443.099 275.525 251.362 -1616.227 -1030.837 35.897 1600 179.912 454.711 286.365 269.353 -1610.764 -991.989 32.385 1700 179.912 465.618 296.592 287.344 -1655.560 -953.034 29.283 1800 179.912 475.901 306.271 305.335 -1650.032 -911.869 26.462 1900 179.912 485.629 315.457 323.326 -1644.548 -871.010 23.946 2000 179.912 494.857 324.198 341.318 -1639.109 -830.438 21.689 2100 179.912 503.635 332.535 359.309 -1633.718 -790.137 19.654 2200 179.912 512.004 340.504 377.300 -1628.380 -750.091 17.809 2300 179.912 520.002 348.136 395.291 -1623.098 -710.288 16.131 2400 179.912 527.659 355.458 413.282 -1617.876 -670.713 14.598 2500 179.912 535.003 362.494 431.274 -1612.720 -631.354 13.191 2600 179.912 542.059 369.265 449.265 -1607.634 -592.200 11.897 2700 179.912 548.849 375.791 467.256 -1602.623 -553.240 10.703 2800 179.912 555.392 382.090 485.247 -1597.692 -514.464 9.597 2900 179.912 561.706 388.175 503.238 -1592.847 -475.865 8.571 3000 179.912 567.805 394.062 521.230 -1588.095 -437.429 7.616