pH | 0.2mol/L二甲胂酸钠（ml） | 0.2N HCl(ml) | 蒸馏水 |
5.0 | 25 | 23.5 | 51.5 |
5.2 | 25 | 22.5 | 52.5 |
5.4 | 25 | 21.5 | 53.5 |
5.6 | 25 | 19.6 | 55.5 |
5.8 | 25 | 17.4 | 57.5 |
6.0 | 25 | 14.8 | 60.3 |
6.2 | 25 | 11.9 | 63.1 |
6.4 | 25 | 9.2 | 65.8 |
6.6 | 25 | 6.7 | 68.3 |
6.8 | 25 | 4.7 | 70.3 |
7.0 | 25 | 3.2 | 71.8 |
7.2 | 25 | 2.1 | 72.9 |
7.4 | 25 | 1.4 | 73.6 |
normal style="MARGIN: 0cm 0cm 0pt">注：HCI可由NCO3代替，配制成二甲胂酸钠-HNO3缓冲液。
