Round robin tests XRF-analysis XRF Round-robin test St. Gobain - SGIA, Borosilicate glass
Study organized by:
St. Gobain Isover - CRIR
Material of proficiency test:
SGIA, Borosilikatglas
Study finished:
2002 - 6
Literature:
Abschlussbericht
major elements [wt %]
| CRB | RV | 1sRV | Z-Score | |
| Na₂O | 16,890 | 16,850 | 0,200 | --- |
| MgO | 2,790 | 2,890 | 0,100 | --- |
| Al₂O₃ | 1,560 | 1,520 | 0,100 | --- |
| SiO₂ | 65,130 | 65,450 | 0,260 | --- |
| P₂O5 | 0,008 | 0,020 | 0,013 | --- |
| SO₃ | 0,180 | 0,150 | 0,040 | --- |
| K₂O | 0,810 | 0,800 | 0,040 | --- |
| CaO | 7,410 | 7,390 | 0,130 | --- |
| TiO₂ | 0,041 | 0,042 | 0,010 | --- |
| Fe₂O₃ tot | 0,170 | 0,200 | 0,020 | --- |
| MnO | 0,198 | 0,200 | 0,016 | --- |
trace elements [µg/g]
| CRB | RV | 1sRV | Z-Score | |
| Ba | 180,00 | --- | --- | --- |
| Cr | 30,00 | --- | --- | --- |
| Rb | 70,00 | --- | --- | --- |
| Sr | 130,00 | --- | --- | --- |
| Zr | 160,00 | --- | --- | --- |
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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