Round robin tests XRF-analysis XRF Round-robin test Fluxana, Deutschland - Chromium magnesite FLX-CRM 111
Study organized by:
FluXana GmbH & Co. KG, Borschelstr. 3, 47551 Bedburg-Hau
Material of proficiency test:
FLX-CRM 111 - Chrommagnesit, Germany
Study finished:
2012 - 5
Literature:
Zertifikat Fluxana
major elements [wt %]
| CRB | RV | 1sRV | Z-Score | |
| Al₂O₃ | 4,700 | 4,664 | 0,157 | 0,230 |
| CaO | 2,040 | 2,052 | 0,081 | 0,480 |
| Fe₂O₃ | 9,360 | 9,540 | 0,158 | 1,170 |
| K₂O | 0,006 | 0,010 | 0,006 | 0,740 |
| MgO | 70,080 | 70,240 | 1,347 | 0,100 |
| Na₂O | <0,030 | 0,069 | 0,019 | --- |
| SiO₂ | 1,280 | 1,399 | 0,112 | 1,110 |
| P₂O5 | 0,087 | 0,088 | 0,008 | 0,230 |
| SO₃ | 0,130 | 0,134 | 0,050 | 0,080 |
| TiO₂ | 0,170 | 0,160 | 0,006 | 1,720 |
| LOI | 0,550 | 0,576 | 0,080 | 0,320 |
trace elements [µg/g]
| CRB | RV | 1sRV | Z-Score | |
| Cr₂O₃ | 11,46 | 11,485 | 0,563 | 0,04 |
| Mn₃O4 | 0,275 | 0,37 | 0,049 | 1,94 |
| WO₃ | 0,007 | 0,006 | 0,002 | 0,43 |
| Co₃O4 | 0,007 | 0,012 | 0,001 | 3,46 |
| ZrO₂ | 0,071 | 0,057 | 0,012 | 1,22 |
| NiO | 0,031 | 0,033 | 0,004 | 0,05 |
| HfO₂ | 0,001 | 0,001 | 0,001 | 0,15 |
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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