Potassium Borate (K2B8O13) B8K2O13(cr,l) T(K) Cp S -[G-H(Tr)]/T H-H(Tr) delta-f H delta-f G log Kf 0 100 200 250 298.15 321.289 293.717 293.717 0. -5945.129 -5582.653 978.058 300 322.042 295.707 293.723 0.595 -5945.165 -5580.404 971.635 400 360.493 393.657 306.819 34.735 -5952.194 -5457.589 712.688 500 397.313 478.036 332.801 72.617 -5954.258 -5333.683 557.206 600 435.136 553.841 363.420 114.252 -5955.089 -5209.463 453.524 700 471.453 623.739 395.677 159.643 -5954.085 -5085.245 379.466 800 500.406 688.630 428.291 208.272 -5951.363 -4961.293 323.939 900 525.092 749.032 460.612 259.578 -5947.212 -4837.770 280.777 1000 546.012 805.494 492.308 313.186 -5941.830 -4714.777 246.275 1100 560.656 858.271 523.206 368.571 -6093.530 -4583.146 217.635 1130.000 563.825 873.400 532.303 385.440 CRYSTAL <--> LIQUID 1130.000 661.490 1005.983 532.303 535.258 TRANSITION 1200 661.490 1023.868 559.830 556.846 -5953.192 -4454.170 193.885 1300 661.490 1076.815 597.589 622.995 -5935.623 -4329.968 173.980 1400 661.490 1125.837 633.591 689.144 -5918.637 -4207.097 156.969 1500 661.490 1171.475 667.947 755.293 -5902.190 -4085.422 142.267 1600 661.490 1214.167 700.766 821.442 -5886.250 -3964.827 129.438 1700 661.490 1254.269 732.157 887.591 -5870.792 -3845.213 118.149 1800 661.490 1292.079 762.224 953.740 -5855.803 -3726.499 108.140 1900 661.490 1327.844 791.060 1019.889 -5841.270 -3608.602 99.207 2000 661.490 1361.774 818.755 1086.038 -5827.186 -3491.458 91.188 2100 661.490 1394.048 845.388 1152.187 -5813.546 -3375.009 83.949 2200 661.490 1424.821 871.032 1218.336 -5800.347 -3259.196 77.383 2300 661.490 1454.225 895.753 1284.485 -5787.588 -3143.979 71.402 2400 661.490 1482.378 919.614 1350.634 -6177.341 -3020.757 65.745 2500 661.490 1509.381 942.668 1416.783 -6166.081 -2889.464 60.372 2600 661.490 1535.326 964.967 1482.932 -6154.999 -2758.619 55.421 2700 661.490 1560.290 986.557 1549.081 -6144.097 -2628.194 50.845 2800 661.490 1584.347 1007.479 1615.230 -6133.377 -2498.171 46.604 2900 661.490 1607.560 1027.774 1681.379 -6122.843 -2368.534 42.662 3000 661.490 1629.985 1047.476 1747.529 -6112.499 -2239.249 38.989