Round robin tests XRF-analysis XRF Round-robin test HUK Umweltlabor - SiC 65 - Silicon carbide-containing material
Study organized by:
HUK Umweltlabor GmbH, Division Horn & Co Analytics, Wenden-Hünsborn
Material of proficiency test:
SiC 65, (Siliciumcarbid-haltiger Werkstoff)
Study finished:
2014 - 9
Literature:
Report - Bericht: SiC-Laborvergleichsmessung 2014
major elements [wt %]
| CRB | RV | 1sRV | Z-Score | |
| Na₂O | < 0,070 | 0,074 | 0,048 | --- |
| MgO | 0,160 | 0,209 | 0,057 | -0,800 |
| Al₂O₃ | 2,740 | 2,730 | 0,407 | 0,000 |
| Cr₂O₃ | 0,092 | 0,093 | 0,020 | -0,100 |
| P₂O5 | 0,017 | 0,014 | 0,009 | 0,300 |
| K₂O | 0,085 | 0,085 | 0,020 | 0,000 |
| CaO | 0,019 | 0,171 | 0,048 | 0,300 |
| TiO₂ | 0,061 | 0,067 | 0,024 | -0,300 |
| Fe₂O₃ tot | 1,100 | 1,956 | 0,434 | -1,700 |
| LOI | 0,140 | 0,146 | 0,140 | -0,100 |
| C-frei | 0,330 | 0,340 | 0,227 | 0,000 |
| C-gesamt | 21,210 | 21,050 | 0,169 | 0,800 |
| Si-gesamt | 64,500 | 64,330 | 0,590 | 0,300 |
| SiC | 69,700 | 69,390 | 0,438 | 0,600 |
trace elements [µg/g]
| CRB | RV | 1sRV | Z-Score | |
| Mn₂O₃ | 0,021 | 0,017 | 0,010 | 0,40 |
| ZrO₂ | 0,042 | 0,036 | 0,015 | 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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