Potassium Borate (K2B8O13) B8K2O13(l) T(K) Cp S -[G-H(Tr)]/T H-H(Tr) delta-f H delta-f G log Kf 0 100 200 250 298.15 323.088 324.085 324.085 0. -5872.537 -5519.114 966.926 300 324.511 326.088 324.085 0.599 -5872.569 -5516.922 966.926 400 393.798 429.241 337.686 36.622 -5877.715 -5397.344 704.821 500 450.198 523.754 365.589 79.082 -5875.200 -5277.484 551.335 600 475.302 603.529 399.165 125.618 -5871.130 -5158.318 449.071 673.000 473.866 663.180 424.897 160.364 GLASS <--> LIQUID 673.000 661.490 663.180 424.897 160.364 TRANSITION 700 661.490 689.200 434.593 178.225 -5862.911 -5039.893 376.081 800 661.490 777.530 472.062 244.374 -5842.669 -4923.718 321.486 900 661.490 855.442 510.417 310.523 -5823.675 -4810.002 279.165 1000 661.490 925.137 548.465 376.672 -5805.752 -4698.341 245.416 1100 661.490 988.184 585.619 442.821 -5946.688 -4579.208 217.448 1130.000 661.490 1005.983 596.544 462.666 CRYSTAL <--> LIQUID 1200 661.490 1045.741 621.599 508.970 5928.475 4455.701 193.952 1300 661.490 1098.688 656.289 575.119 -5910.907 -4333.687 174.130 1400 661.490 1147.710 689.661 641.268 -5893.921 -4213.003 157.189 1500 661.490 1193.348 721.737 707.417 -5877.474 -4093.515 142.549 1600 661.490 1236.040 752.561 773.566 -5861.533 -3975.107 129.774 1700 661.490 1276.142 782.192 839.715 -5846.076 -3857.681 118.532 1800 661.490 1313.952 810.694 905.864 -5831.086 -3741.153 108.565 1900 661.490 1349.717 838.131 972.013 -5816.554 -3625.444 99.670 2000 661.490 1383.647 864.566 1038.162 -5802.470 -3510.488 91.685 2100 661.490 1415.921 890.059 1104.311 -5788.830 -3396.226 84.477 2200 661.490 1446.694 914.666 1170.460 -5775.631 -3282.600 77.939 2300 661.490 1476.098 938.442 1236.609 -5762.871 -3169.571 71.983 2400 661.490 1504.251 961.435 1302.758 -6152.624 -3048.536 66.350 2500 661.490 1531.254 983.691 1368.907 -6141.365 -2919.430 60.998 2600 661.490 1557.199 1005.254 1435.056 -6130.282 -2790.772 56.067 2700 661.490 1582.163 1026.161 1501.205 -6119.380 -2662.535 51.510 2800 661.490 1606.220 1046.451 1567.355 -6108.661 -2534.699 47.285 2900 661.490 1629.433 1066.156 1633.504 -6098.127 -2407.249 43.359 3000 661.490 1651.858 1085.307 1699.653 -6087.782 -2280.152 39.701