Round robin tests XRF-analysis XRF Round-robin test St. Gobain - SGIC, Borosilicate glass
Study organized by:
St. Gobain Isover - CRIR
Material of proficiency test:
SGIC, Borosilikatglas
Study finished:
2002 - 6
Literature:
Abschlussbericht
major elements [wt %]
CRB | RV | 1sRV | Z-Score | |
Na₂O | 16,800 | 16,820 | 0,165 | --- |
MgO | 2,520 | 2,610 | 0,060 | --- |
Al₂O₃ | 1,200 | 1,490 | 0,070 | --- |
SiO₂ | 63,870 | 64,050 | 0,310 | --- |
P₂O5 | 0,153 | 0,150 | 0,014 | --- |
SO₃ | 0,200 | 0,190 | 0,030 | --- |
K₂O | 0,480 | 0,048 | 0,020 | --- |
CaO | 7,890 | 7,850 | 0,110 | --- |
TiO₂ | 0,069 | 0,070 | 0,013 | --- |
Fe₂O₃ tot. | 0,390 | 0,410 | 0,020 | --- |
MnO | 0,235 | 0,240 | 0,018 | --- |
trace elements [µg/g]
CRB | RV | 1sRV | Z-Score | |
Ba | 300,00 | --- | --- | --- |
Rb | 60,00 | --- | --- | --- |
Sr | 320,00 | --- | --- | --- |
Zr | 280,00 | --- | --- | --- |
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