Round robin tests XRF-analysis XRF Round-robin test HUK Umweltlabor - SiC 10 - Silicon carbide-containing material
Study organized by:
HUK Umweltlabor GmbH, Division Horn & Co Analytics, Wenden-Hünsborn
Material of proficiency test:
SiC 10, (Siliciumcarbid-haltiger Werkstoff)
Study finished:
2014 - 9
Literature:
Report - Bericht: SiC-Laborvergleichsmessung 2014
major elements [wt %]
| CRB | RV | 1sRV | Z-Score | |
| Na₂O | < 0,070 | 0,101 | 0,066 | --- |
| MgO | 1,550 | 1,576 | 0,213 | -0,100 |
| Al₂O₃ | 71,470 | 71,230 | 0,855 | 0,200 |
| Cr₂O₃ | 0,117 | 0,109 | 0,016 | 0,400 |
| P₂O5 | 0,037 | 0,026 | 0,010 | 0,900 |
| K₂O | 0,165 | 0,177 | 0,020 | -0,500 |
| CaO | 1,420 | 1,376 | 0,076 | 0,400 |
| TiO₂ | 1,353 | 1,270 | 0,175 | 0,400 |
| Fe₂O₃ tot | 1,300 | 1,412 | 0,140 | -0,700 |
| LOI | 1,190 | 1,340 | 0,250 | -0,500 |
| C-frei | 0,900 | 1,060 | 0,227 | -0,600 |
| C-gesamt | 2,830 | 2,310 | 0,070 | 6,500 |
| Si-gesamt | 11,630 | 11,720 | 0,510 | -0,200 |
| SiC | 6,400 | 3,870 | 0,722 | 2,900 |
| SiO₂ | 15,260 | 14,760 | 0,503 | 0,300 |
trace elements [µg/g]
| CRB | RV | 1sRV | Z-Score | |
| Mn₂O₃ | 0,057 | 0,049 | 0,018 | 0,40 |
| ZrO₂ | 0,107 | 0,099 | 0,016 | 0,40 |
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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