英文名:Britton-Robinson Buffer Solution(伯瑞坦-羅比森緩衝溶液)
在100ml三酸混合液(磷酸、乙酸、硼酸,濃度均為0.04mol/L)中,加入表中指定體積的0.2mol/LNaOH,即得表中相應PH值的緩衝溶液。
PH NaOH(ml)
1.81 0.00
1.89 2.5
1.98 5.0
2.09 7.5
2.21 10.0
2.36 12.5
2.56 15.0
2.87 17.5
3.29 20.0
3.78 22.5
4.10 25.0
4.35 27.5
4.56 30.0
4.78 32.5
5.02 35.0
5.33 37.5
5.72 40.0
6.09 42.5
6.37 45.0
6.59 47.5
6.8 50.0
7.00 52.5
7.24 55.0
7.54 57.5
7.96 60.0
8.36 62.5
8.69 65.0
8.95 67.5
9.15 70.0
9.37 72.5
9.62 75.0
9.91 77.5
10.38 80.0
10.88 82.5
11.2 85.0
11.4 87.5
11.58 90.0
11.7 92.5
11.82 95.0
11.92 97.5