样品 | 铂–钴比色法/度 | 分光光度法/度 | 相对偏差/% | |
380~780 | 380~560 | |||
1 | 10~15 | 14.3 | 13.4 | 6.5% |
2 | 15~20 | 16.0 | 15.3 | 4.4% |
3 | 25~30 | 30.8 | 29.6 | 4.0% |
4 | 30~35 | 34.2 | 32.1 | 6.6% |
5 | 40~50 | 51.3 | 48.1 | 6.6% |
6 | 60~70 | 69.0 | 64.7 | 6.5% |
7 | 70~80 | 78.7 | 74.1 | 6.3% |
8 | 80~90 | 92.0 | 86.1 | 6.8% |
9 | 90~100 | 106.5 | 96.0 | 10.9% |