新技术2:溴酚蓝指示剂的CIE 1976(L*,a*,b*)色空间数字化特征
图1. 溴酚蓝的化学结构式
图1. 溴酚蓝指示剂在pH环境的吸收曲线
表1. 溴酚蓝指示剂的色度值变化
PH | L*ab | a* | b* |
0.0 | 100.0 | 0.00 | 0.00 |
0.1 | 100.0 | -0.02 | -0.01 |
0.2 | 100.5 | -0.43 | 2.83 |
0.3 | 99.2 | -1.34 | 6.72 |
0.4 | 100.0 | -1.22 | 7.41 |
0.5 | 99.8 | -1.49 | 9.37 |
0.6 | 99.5 | -1.68 | 10.79 |
0.7 | 99.2 | -1.83 | 12.06 |
0.8 | 99.0 | -1.93 | 13.00 |
0.9 | 98.8 | -2.05 | 13.86 |
1.0 | 98.6 | -2.15 | 14.61 |
1.1 | 96.9 | -2.95 | 14.13 |
1.2 | 97.6 | -2.80 | 14.67 |
1.3 | 98.0 | -2.84 | 15.02 |
1.4 | 97.8 | -2.91 | 15.05 |
1.5 | 97.7 | -2.94 | 15.11 |
1.6 | 97.8 | -3.02 | 15.33 |
1.7 | 97.7 | -3.03 | 15.38 |
1.8 | 97.7 | -3.04 | 15.54 |
1.9 | 96.4 | -3.21 | 15.22 |
2.0 | 97.8 | -3.18 | 15.68 |
2.1 | 96.3 | -3.18 | 15.22 |
2.2 | 96.3 | -3.14 | 15.23 |
2.3 | 96.2 | -3.18 | 15.25 |
2.4 | 96.2 | -3.18 | 15.41 |
2.5 | 96.1 | -3.16 | 15.36 |
2.6 | 96.0 | -3.12 | 15.35 |
2.7 | 96.0 | -3.11 | 15.34 |
2.8 | 95.9 | -3.14 | 15.35 |
2.9 | 96.0 | -3.18 | 15.47 |
3.0 | 95.9 | -3.17 | 15.42 |
3.1 | 95.9 | -3.12 | 15.35 |
3.2 | 95.9 | -3.08 | 15.25 |
3.3 | 95.8 | -3.12 | 15.27 |
3.4 | 95.8 | -3.05 | 15.14 |
3.5 | 95.8 | -3.11 | 15.25 |
3.6 | 95.7 | -3.10 | 15.15 |
3.7 | 95.7 | -3.11 | 15.06 |
3.8 | 95.7 | -3.12 | 14.94 |
3.9 | 95.6 | -3.11 | 14.83 |
4.0 | 95.6 | -3.13 | 14.76 |
4.1 | 95.5 | -3.12 | 14.55 |
4.2 | 95.4 | -3.20 | 14.47 |
4.3 | 95.3 | -3.08 | 13.83 |
4.4 | 95.1 | -3.13 | 13.55 |
4.5 | 94.9 | -3.11 | 13.04 |
4.6 | 94.5 | -3.09 | 11.98 |
4.7 | 94.0 | -3.03 | 10.66 |
4.8 | 92.7 | -2.82 | 9.15 |
4.9 | 91.7 | -2.47 | 4.91 |
4.9 | 91.3 | -2.42 | 3.90 |
5.0 | 90.7 | -2.23 | 2.17 |
5.1 | 89.6 | -1.89 | -0.73 |
5.2 | 88.4 | -1.51 | -3.69 |
5.3 | 87.7 | -1.22 | -5.58 |
5.4 | 87.5 | -1.36 | -5.95 |
5.5 | 87.3 | -1.19 | -6.70 |
5.6 | 87.2 | -1.28 | -6.83 |
5.7 | 87.1 | -1.24 | -7.29 |
5.8 | 87.1 | -1.37 | -7.17 |
5.9 | 87.0 | -1.31 | -7.33 |
6.0 | 86.8 | -1.45 | -7.85 |
6.1 | 86.8 | -1.52 | -7.83 |
6.2 | 86.7 | -1.52 | -8.00 |
6.3 | 86.6 | -1.55 | -8.26 |
6.4 | 86.6 | -1.56 | -8.36 |
6.6 | 86.5 | -1.62 | -8.50 |
6.7 | 86.4 | -1.64 | -8.71 |
6.8 | 86.4 | -1.68 | -8.75 |
7.0 | 86.3 | -1.67 | -8.84 |
7.2 | 86.3 | -1.66 | -9.24 |
7.3 | 86.3 | -1.63 | -9.46 |
7.5 | 86.4 | -1.63 | -9.49 |
7.6 | 86.5 | -1.64 | -9.53 |
7.8 | 86.5 | -1.63 | -9.67 |
7.9 | 86.5 | -1.64 | -9.78 |
8.0 | 86.5 | -1.63 | -9.98 |
8.1 | 86.7 | -1.58 | -10.13 |
8.2 | 86.7 | -1.57 | -10.33 |
8.3 | 86.8 | -1.54 | -10.33 |
8.4 | 86.9 | -1.55 | -10.47 |
8.5 | 86.9 | -1.57 | -10.48 |
8.6 | 86.9 | -1.41 | -10.74 |
8.7 | 87.0 | -1.47 | -10.64 |
8.8 | 87.0 | -1.39 | -10.82 |
9.0 | 87.1 | -1.28 | -11.05 |
9.1 | 87.2 | -1.20 | -11.34 |
9.2 | 87.2 | -1.21 | -11.31 |
9.3 | 87.2 | -1.14 | -11.43 |
9.4 | 87.2 | -1.09 | -11.54 |
9.5 | 87.2 | -1.05 | -11.57 |
9.6 | 87.3 | -0.90 | -11.76 |
9.7 | 87.3 | -0.86 | -11.98 |
9.8 | 87.4 | -0.83 | -11.84 |
9.9 | 87.4 | -0.80 | -11.99 |
10.0 | 87.5 | -0.65 | -12.03 |
10.1 | 87.4 | -0.56 | -12.20 |
10.2 | 87.4 | -0.49 | -12.31 |
10.3 | 87.4 | -0.42 | -12.39 |
10.4 | 87.3 | -0.31 | -12.67 |
10.5 | 87.3 | -0.25 | -12.78 |
10.6 | 87.3 | -0.21 | -12.90 |
10.7 | 87.2 | -0.10 | -13.08 |
10.8 | 87.1 | -0.05 | -13.22 |
10.9 | 87.0 | 0.11 | -13.55 |
11.0 | 86.9 | 0.12 | -13.65 |
11.1 | 86.9 | 0.22 | -13.81 |
11.2 | 87.0 | 0.24 | -13.87 |
11.3 | 87.0 | 0.28 | -13.96 |
11.4 | 87.2 | 0.37 | -14.08 |
11.5 | 87.7 | 0.48 | -14.00 |
11.6 | 88.3 | 0.55 | -13.72 |
11.7 | 89.0 | 0.59 | -13.46 |
11.8 | 89.9 | 0.55 | -13.05 |
图2. 溴酚蓝指示剂在不同pH环境的CIE 1976(L*,a*,b*)参数曲线
图3 溴酚蓝指示剂在不同pH环境的L*值曲线
图4. 溴酚蓝指示剂在不同pH环境的a*值、b*值曲线
图5. 溴酚蓝指示剂△E在不同pH环境的曲线
图6. 溴酚蓝指示剂在不同pH环境的3种△E曲线
图7. 溴酚蓝指示剂在不同pH环境的3种△E-V曲线