Round robin tests XRF-analysis XRF Round-robin test HUK Umweltlabor GmbH - Magnesite 85%
Study organized by:
HUK Umweltlabor GmbH, Wenden-Hünsborn
Material of proficiency test:
Magnesit 85%
Study finished:
2011 - 6
Literature:
Bescheinigung über erfolgreiche Teilnahme
major elements [wt %]
| CRB | RV | 1sRV | Z-Score | |
| Na₂O | 0,290 | 0,340 | 0,170 | -0,270 |
| MgO | 85,400 | 85,580 | 0,430 | -0,440 |
| Al₂O₃ | 3,950 | 3,900 | 0,180 | 0,260 |
| SiO₂ | 3,500 | 3,280 | 0,230 | 0,960 |
| P₂O5 | 1,090 | 1,110 | 0,020 | -1,280 |
| K₂O | 0,020 | 0,030 | 0,020 | -0,380 |
| CaO | 1,550 | 1,610 | 0,100 | -0,600 |
| TiO₂ | 0,060 | 0,070 | 0,020 | -0,580 |
| Fe₂O₃ tot | 2,460 | 2,450 | 0,280 | 0,040 |
| MnO | 0,140 | 0,150 | 0,020 | -0,270 |
| L.O.I.* | 4,040 | 3,920 | 1,080 | 0,110 |
trace elements [µg/g]
| CRB | RV | 1sRV | Z-Score | |
| Cr₂O₃ | 1,27 | 1,29 | 0,08 | -0,35 |
| ZrO₂ | 0,09 | 0,11 | 0,01 | -1,50 |
| SO₃ | 0,09 | 0,07 | 0,05 | 0,38 |
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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