Analyte | Unit | Certified value | Confidence interval (95%) |
No. of independent repeated series |
Measuring method* |
CaO |
% |
51.14 |
0.06 |
4 |
1 |
S |
% |
0.369 |
0.016 |
9 |
1,2 |
SrO |
% |
0.031 |
< 0.001 |
4 |
1 |
* Measuring method | |
1: X-ray fluorescence spectrometry |
2: Combustion with IR-detection |
Comment |
Thermal treatment of material before weighing: 900°C, 1 h |