Analyte | Unit | Certified value | Confidence interval (95%) |
No. of independent repeated series |
Measuring method* |
C |
% |
0.4843 |
0.0024 |
4 |
1 |
Cr |
% |
0.9596 |
0.0037 |
12 |
2 |
Co |
% |
0.0037 |
0.0001 |
12 |
2 |
V |
% |
0.1325 |
0.0009 |
12 |
2 |
* Measuring method | |
1: Combustion with coulometric detection |
2: ICP with optical emission spectrometry |
3: Combustion with IR-detection |
4: ICP with quadrupol mass spectrometry |