四川省食品药品检验检测院 郑卫东
山西省医疗器械检测中心 郭钰坚
1 概述 序号 | 称样量m(g) | 添加量 u(ng/mL) | 信号响应值 x | 消解液浓度 v1(μg/mL) | 质量校正 v2(μg/mL) | 扣除基体 v3(ng/mL) | 误差 e(%) |
1(空白) | 2.015 3 | 0 | 12 026.55 | 0.314 | 0.311 6 |
|
|
2 | 2.010 1 | 1 | 12 199.93 | 0.325 | 0.323 4 | 11.8 | 1 080.0 |
3 | 2.030 9 | 5 | 12 180.73 | 0.324 | 0.319 1 | 7.5 | 50.0 |
4 | 2.016 | 10 | 11 809.53 | 0.300 | 0.297 6 | -14.0 | -240.0 |
5 | 2.025 8 | 20 | 12 373.89 | 0.336 | 0.331 7 | 20.1 | 0.5 |
6 | 2.033 8 | 40 | 12 322.14 | 0.333 | 0.327 5 | 15.9 | -60.2 |
7 | 2.011 7 | 60 | 13 228.86 | 0.391 | 0.388 7 | 77.1 | 28.5 |
8 | 2.013 3 | 80 | 13 702.57 | 0.422 | 0.419 2 | 107.6 | 34.5 |
序号 | 称样量 g | 添加量 ng/mL | 信号响应值 x | 消解液浓度 μg/mL | 质量校正 μg/mL | 扣除基体 ng/mL | 误差e % |
1 | 2.003 |
| 7 602.7 | 0.286 9 | 0.286 5 |
|
|
2 | 2.000 5 | 5 | 8 031.3 | 0.309 4 | 0.309 4 | 22.85 | 357 |
3 | 2.008 3 | 10 | 8 042.5 | 0.310 0 | 0.308 7 | 22.23 | 122.33 |
4 | 2.004 9 | 15 | 8 025.5 | 0.309 1 | 0.308 4 | 21.87 | 45.78 |
5 | 2.000 3 | 20 | 8 055.8 | 0.310 7 | 0.310 7 | 24.17 | 20.83 |
6 | 2.001 | 25 | 8 783.7 | 0.349 0 | 0.348 8 | 62.30 | 149.19 |
7 | 2.002 7 | 30 | 7 494.3 | 0.281 2 | 0.280 8 | -5.68 | -118.93 |
8 | 2.002 5 | 35 | 7 786.4 | 0.296 6 | 0.296 2 | 9.69 | -72.33 |
9 | 2.000 2 | 40 | 8 493.5 | 0.333 7 | 0.333 7 | 47.18 | 17.96 |
10 | 2.010 9 | 45 | 8 414.3 | 0.329 6 | 0.327 8 | 41.27 | -8.29 |
11 | 2.005 | 50 | 9 355.8 | 0.379 0 | 0.378 1 | 91.60 | 83.19 |
12 | 2.002 3 | 55 | 8 510.8 | 0.334 6 | 0.334 2 | 47.74 | -13.20 |
13 | 2.006 | 60 | 8 849.6 | 0.352 4 | 0.351 4 | 64.88 | 8.13 |
14 | 2.000 8 | 65 | 9 335.4 | 0.378 0 | 0.377 8 | 91.32 | 40.49 |
15 | 2.003 1 | 70 | 8 837.6 | 0.351 8 | 0.351 3 | 64.76 | -7.49 |
16 | 2.01 | 75 | 8 929.3 | 0.356 6 | 0.354 9 | 68.35 | -8.87 |
17 | 2 | 80 | 8 672.0 | 0.343 1 | 0.343 1 | 56.60 | -29.25 |
浓度 | 检测次数 | 1 | 2 | 3 | 4 | 5 | 6 | |
0.1 | 信号响应值 | 1.432 | 1.381 | 1.421 | 1.349 | 1.284 | 1.358 |
|
检测结果 | 0.1215 | 0.1180 | 0.1207 | 0.1158 | 0.1114 | 0.1164 | 0.117 | |
相对偏差 | 21.5 | 18.0 | 20.7 | 15.8 | 11.4 | 16.4 | 17.3 | |
0.2 | 信号响应值 | 3.898 | 3.848 | 3.856 | 3.828 | 3.977 | 3.918 |
|
检测结果 | 0.289 | 0.286 | 0.286 | 0.284 | 0.295 | 0.291 | 0.288 | |
相对偏差 | 45 | 43 | 43 | 42 | 47 | 45 | 45 | |
0.3 | 信号响应值 | 5.255 | 5.28 | 5.162 | 5.107 | 5.136 | 5.163 |
|
检测结果 | 0.381 | 0.383 | 0.375 | 0.371 | 0.373 | 0.375 | 0.377 | |
相对偏差 | 27 | 28 | 25 | 24 | 24 | 25 | 26 | |
0.4 | 信号响应值 | 6.435 | 6.394 | 6.346 | 6.358 | 6.266 | 6.27 |
|
检测结果 | 0.462 | 0.459 | 0.456 | 0.456 | 0.450 | 0.450 | 0.456 | |
相对偏差 | 15 | 15 | 14 | 14 | 13 | 13 | 14 | |
0.5 | 信号响应值 | 7.51 | 7.58 | 7.56 | 7.66 | 7.72 | 7.80 |
|
检测结果 | 0.537 | 0.542 | 0.541 | 0.547 | 0.552 | 0.557 | 0.546 | |
相对偏差 | 7.4 | 8.3 | 8.2 | 9.4 | 10.3 | 11.4 | 9.2 | |
0.6 | 信号响应值 | 9.102 | 9.032 | 9.002 | 9.211 | 9.102 | 9.041 |
|
检测结果 | 0.643 | 0.638 | 0.636 | 0.650 | 0.643 | 0.639 | 0.642 | |
相对偏差 | 7.2 | 6.4 | 6.0 | 8.4 | 7.2 | 6.5 | 6.9 |