Round robin tests XRF-analysis XRF Round-robin test CGL Mongolia - CGL-206 - MBTB, Iron Concentrate
Study organized by:
Central Geological Laboratory of Mongolia (CGL)
Material of proficiency test:
CGL 206 (MBTB, Iron Concentrate)
Study finished:
2017 - 3
Literature:
Reference Material Certificate CGL
major elements [wt %]
| CRB | RV | 1sRV | Z-Score | |
| SiO₂ | 5,990 | 5,860 | 0,570 | 0,230 |
| TiO₂ | 0,086 | 0,080 | 0,010 | 0,640 |
| Al₂O₃ | 1,280 | 1,250 | 0,080 | 0,310 |
| Fe-total | 51,000 | 50,870 | 0,910 | 0,140 |
| MnO | 0,123 | 0,110 | 0,010 | 1,280 |
| MgO | 4,980 | 4,930 | 0,160 | 0,300 |
| CaO | 5,850 | 5,870 | 0,170 | -0,120 |
| K₂O | 0,240 | 0,240 | 0,020 | 0,040 |
| P₂O5 | 0,050 | 0,050 | 0,000 | 0,080 |
trace elements [µg/g]
| CRB | RV | 1sRV | Z-Score | |
| As* | 30,00 | 27,00 | ||
| Ba* | 21,00 | 25,00 | ||
| Co | 82,00 | 91,00 | 7,00 | -1,18 |
| Cr* | 20,00 | 20,00 | ||
| Cu | 518,00 | 418,00 | 57,00 | 1,77 |
| Ni | 97,00 | 114,00 | 19,00 | -0,94 |
| Pb | 55,00 | 45,00 | 7,00 | 1,65 |
| Sr | 16,00 | 22,00 | 3,00 | -1,92 |
| V | 191,00 | 266,00 | 39,00 | -1,92 |
| Zn | 779,00 | 703,00 | 40,00 | 1,90 |
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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