Measure item | The data processing of common regression analysis | |||||||||
| A |
| a | b | r | ρ |
| s | RSD | |
/μg |
|
|
|
|
| /(μg・mL−1) | /(μg・mL−1) | ρ/(μg・mL−1) | 1% | |
Standard | 20.0 | 0.067 | 0.068 |
|
|
|
|
|
|
|
Series | 40.0 | 0.151 | 0.152 |
|
|
|
|
|
|
|
Solution | 60.0 | 0.240 | 0.235 | −0.0155 | 0.00418 | 0.9997 |
|
|
|
|
of iron | 80.0 | 0.314 | 0.318 |
|
|
|
|
|
|
|
| 100.0 | 0.403 | 0.402 |
|
|
|
|
|
|
|
Specimen | 22.2 | 0.077 |
|
|
|
| 5.54 |
|
|
|
Solution | 33.7 | 0.125 |
|
|
|
| 5.61 | 5.73 | 0.276 | 4.82 |
| 60.5 | 0.237 |
|
|
|
| 6.05 |
|
|
|