Round robin tests XRF-analysis XRF Round-robin test ISC, RAL - Glasswool, Glaswolle
Study organized by:
Fraunhofer (ISC), Würzburg - RAL-Gütegemeinschaft, Frankfurt
Material of proficiency test:
Glasswool, Glaswolle
Study finished:
2003 - 10
Literature:
Literatur Ringversuch der Gütegemeinschaft Mineralwolle e.V. - Ergebnisse
major elements [wt %]
| CRB | RV | 1sRV | Z-Score | |
| Na₂O | 16,920 | 17,036 | 0,201 | --- |
| MgO | 2,530 | 2,565 | 0,080 | --- |
| Al₂O₃ | 1,740 | 1,691 | 0,064 | --- |
| SiO₂ | 64,200 | 64,258 | 0,253 | --- |
| P₂O5 | 0,170 | 0,153 | 0,021 | --- |
| SO₃ | 0,060 | 0,159 | 0,041 | --- |
| K₂O | 0,520 | 0,518 | 0,020 | --- |
| CaO | 8,120 | 7,736 | 0,166 | --- |
| TiO₂ | 0,060 | 0,057 | 0,007 | --- |
| Fe₂O₃ tot. | 0,600 | 0,585 | 0,064 | --- |
| MnO | 0,042 | 0,036 | 0,006 | --- |
trace elements [µg/g]
| CRB | RV | 1sRV | Z-Score | |
| Ba | 410,00 | 420,00 | 50,00 | --- |
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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