Round robin tests XRF-analysis XRF Round-robin test Gruenzweig + Hartmann - BG Nr. 168, Borosilicate glass
Study organized by:
Gruenzweig + Hartmann
Material of proficiency test:
BG Nr. 168, Boro-Silikatglas
Study finished:
2000 - 8
Literature:
Bericht Ringversuchsergebnisse
major elements [wt %]
| CRB | RV | 1sRV | Z-Score | |
| Na₂O | 15,770 | 15,740 | 0,330 | |
| MgO | 2,250 | 2,280 | 0,060 | |
| Al₂O₃ | 1,990 | 1,940 | 0,070 | |
| SiO₂ | 64,810 | 65,290 | 0,580 | |
| P₂O5 | 0,159 | 0,151 | 0,014 | |
| SO₃ | 0,090 | 0,200 | 0,070 | |
| K₂O | 0,780 | 0,800 | 0,050 | |
| CaO | 7,400 | 7,330 | 0,100 | |
| TiO₂ | 0,067 | 0,064 | 0,009 | |
| Fe₂O₃ tot | 0,390 | 0,410 | 0,070 | |
| MnO | 0,492 | 0,455 | 0,059 |
trace elements [µg/g]
| CRB | RV | 1sRV | Z-Score | |
| BaO | 0,132 | 0,151 | 0,024 | |
| ZnO | 0,015 | 0,018 | 0,003 | |
| ZrO₂ | 0,015 | |||
| KI-berechnet | 27,90 | 27,50 |
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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