| | | | |
| | | Na_{2}O. | NaOH. | 77 per | 74 per | 70 per |
| | | | | cent. | cent. | cent. |
|___________|__________|__________|________|_________|_________|__________|
| | | | | | | |
| 49 | 1.245 | 17.060 | 22.008 | 2.739 | 2.615 | 2.474 |
| 50 | 1.250 | 17.424 | 22.476 | 2.809 | 2.681 | 2.536 |
| 51 | 1.255 | 17.800 | 22.962 | 2.881 | 2.750 | 2.602 |
| 52 | 1.260 | 18.166 | 23.433 | 2.952 | 2.818 | 2.666 |
| 53 | 1.265 | 18.529 | 23.901 | 3.020 | 2.886 | 2.730 |
| 54 | 1.270 | 18.897 | 24.376 | 3.095 | 2.955 | 2.795 |
| 55 | 1.275 | 19.255 | 24.858 | 3.171 | 3.027 | 2.863 |
| 56 | 1.280 | 19.609 | 25.295 | 3.237 | 3.090 | 2.932 |
| 57 | 1.285 | 19.961 | 25.750 | 3.308 | 3.158 | 2.988 |
| 58 | 1.290 | 20.318 | 26.210 | 3.381 | 3.227 | 3.053 |
| 59 | 1.295 | 20.655 | 26.658 | 3.452 | 3.364 | 3.117 |
| 60 | 1.300 | 21.156 | 27.110 | 3.524 | 3.394 | 3.182 |
| 61 | 1.305 | 21.405 | 27.611 | 3.603 | 3.439 | 3.253 |
| 62 | 1.310 | 21.785 | 28.105 | 3.682 | 3.514 | 3.224 |
| 63 | 1.315 | 22.168 | 28.595 | 3.760 | 3.593 | 3.395 |
| 64 | 1.320 | 22.556 | 29.161 | 3.849 | 3.674 | 3.475 |
| 65 | 1.325 | 22.926 | 29.574 | 3.919 | 3.742 | 3.539 |
| 66 | 1.330 | 23.310 | 30.058 | 3.997 | 3.816 | 3.610 |
| 67 | 1.335 | 23.670 | 30.535 | 4.072 | 3.891 | 3.681 |
| 68 | 1.340 | 24.046 | 31.018 | 4.156 | 3.967 | 3.754 |
| 69 | 1.345 | 24.410 | 31.490 | 4.232 | 4.042 | 3.824 |
| 70 | 1.350 | 24.765 | 31.948 | 4.312 | 4.116 | 3.894 |
| 71 | 1.355 | 25.152 | 32.446 | 4.396 | 4.196 | 3.970 |
| 72 | 1.360 | 25.526 | 32.930 | 4.478 | 4.274 | 4.043 |
| 73 | 1.365 | 25.901 | 33.415 | 4.561 | 4.354 | 4.109 |
| 74 | 1.370 | 26.285 | 33.905 | 4.645 | 4.434 | 4.194 |
| 75 | 1.375 | 26.650 | 34.382 | 4.728 | 4.513 | 4.269 |
| 76 | 1.380 | 27.021 | 34.855 | 4.810 | 4.592 | 4.