缓冲溶液 | 缓冲溶液I | 缓冲溶液II | 缓冲溶液III | 缓冲溶液IV | |||||
| 20.0623 | 2.0066 | 0.5357 | 0.5366 | |||||
| 100 | 14.65 | 10.50 | 4.00 | |||||
V总 (ml) |
| 100 | 100 | 100 | |||||
pH | 10.740 | 10.226 | 10.703 | 10.075 | |||||
t (℃) | 21.0 | 25.1 | 23.8 | 24.9 | |||||
缓冲溶液用量(ml) | 0.5 | 2.0 | 0.5 | 2.0 | 0.5 | 2.0 | 0.5 | 1.0 | 2.0 |
R2 | 0.9978 | 0.9978 | 0.9999 | 0.9993 | 0.9999 | 0.9995 | 0.9999 | 0.9999 | 0.9999 |
相对标准偏差(%) | 2.22 | 6.40 | 1.36 | 2.99 | 0.97 | 3.83 | 1.95 | 1.42 | 0.62 |