柠檬酸C6H8O7·H2O:分子量210.14,0.1 mol/L溶液为21.01克/升。
柠檬酸钠Na3 C6H5O7·2H2O:分子量294.12,0.1 mol/L溶液为29.41克/毫升。
6.乙酸–乙酸钠缓冲液(0.2 mol/L)| pH(18℃) | 0.2 mol/L NaAc (毫升) | 0.3 mol/L HAc (毫升) | pH(18℃) | 0.2 mol/L NaAc (毫升) | 0.3 mol/L HAc (毫升) |
| 2.6 3.8 4.0 4.2 4.4 4.6 | 0.75 1.20 1.80 2.65 3.70 4.90 | 9.25 8.80 8.20 7.35 6.30 5.10 | 4.8 5.0 5.2 5.4 5.6 5.8 | 5.90 7.00 7.90 8.60 9.10 9.40 | 4.10 3.00 2.10 1.40 0.90 0.60 |
| pH | 0.2 mol/L Na2HPO4 (毫升) | 0.3 mol/L NaH2PO4 (毫升) | pH | 0.2 mol/L Na2HPO4 (毫升) | 0.3 mol/L NaH2PO4 (毫升) |
| 5.8 5.9 6.0 6.1 6.2 6.3 6.4 6.5 6.6 6.7 6.8 6.9 | 8.0 10.0 12.3 15.0 18.5 22.5 26.5 31.5 37.5 43.5 49.5 55.0 | 92.0 90.0 87.7 85.0 81.5 77.5 73.5 68.5 62.5 56.5 51.0 45.0 | 7.0 7.1 7.2 7.3 7.4 7.5 7.6 7.7 7.8 7.9 8.0 | 61.0 67.0 72.0 77.0 81.0 84.0 87.0 89.5 91.5 93.0 94.7 |
39.0 33.0 28.0 23.0 19.0 16.0 13.0 10.5 8.5 7.0 5.3 |
| pH | mol/L/15Na2HPO4 (毫升) | mol/L//15KH2PO4 (毫升) | pH | mol/L//15Na2HPO4 (毫升) | mol/L//15KH2PO4 (毫升) |
| 4.92 5.29 5.91 6.24 6.47 6.64 6.81 6.98 | 0.10 0.50 1.00 2.00 3.00 4.00 5.00 6.00 | 9.90 9.50 9.00 8.00 7.00 6.00 5.00 4.00 | 7.17 7.38 7.73 8.04 8.34 8.67 8.18 | 7.00 8.00 9.00 9.50 9.75 9.90 10.00 | 3.00 2.00 1.00 0.50 0.25 0.10 0 |
| pH(20℃) | X (毫升) | Y(毫升) | pH(20℃) | X (毫升) | Y(毫升) |
| 5.8 6.0 6.2 6.4 6.6 6.8 | 5 5 5 5 5 5 | 0.372 0.570 0.860 1.260 1.780 2.365 | 7.0 7.2 7.4 7.6 7.8 8.0 | 5 5 5 5 5 5 | 2.963 3.500 3.950 4.280 4.520 4.680 |
| pH | 0.04M巴比妥钠溶液 | 0.2V盐酸 | pH | 0.04M巴比妥钠溶液(毫升) | 0.2N盐酸(毫升) |
| 6.8 7.0 7.2 7.4 7.6 7.8 8.0 8.2 | 100 100 100 100 100 100 100 100 |
18.4 17.8 16.7 15.3 13.4 11.47 9.39 7.21 |
8.4 8.6 8.8 9.0 9.2 9.4 9.6 | 100 100 100 100 100 100 100 100 | 5.21 3.82 2.52 1.65 1.13 0.70 0.35 |


