Round robin tests XRF-analysis XRF Round-robin test r-concept - Magnesit
Study organized by:
r-concept, Laupheim
Material of proficiency test:
Magnesit
Study finished:
2002 - 1
Literature:
Abschlussbericht
major elements [wt %]
| CRB | RV | 1sRV | Z-Score | |
| Na₂O | < 0,030 | 0,120 | 0,090 | --- |
| MgO | 93,980 | 93,630 | 1,475 | --- |
| Al₂O₃ | 1,730 | 1,666 | 0,170 | --- |
| SiO₂ | 2,060 | 2,015 | 0,260 | --- |
| P₂O5 | 0,082 | 0,083 | 0,011 | --- |
| SO₃ | < 0,020 | 0,017 | 0,010 | --- |
| K₂O | < 0,020 | 0,030 | 0,040 | --- |
| CaO | 1,310 | 1,311 | 0,050 | --- |
| TiO₂ | 0,038 | 0,068 | 0,015 | --- |
| Fe₂O₃ tot | 0,690 | 0,770 | 0,102 | --- |
| MnO | 0,084 | 0,083 | 0,022 | --- |
| L.O.I. | 0,330 | 0,373 | 0,137 | --- |
trace elements [µg/g]
| CRB | RV | 1sRV | Z-Score | |
| Cr | 91,00 | 104,00 | 52,00 | --- |
Legend
CRB
results CRB
cooperative test
results collaborative study
1s-RV
Standard deviation collaborative study
Z-Score
Difference of measured value from mean study
*
Value not certified
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