Round robin tests XRF-analysis XRF Round-robin test AMIS, South Africa - Magnesite AMIS0650
Study organized by:
AMIS - African Mineral Standard - South Africa
Material of proficiency test:
Magnesite AMIS0650
Study finished:
2019 - 12
Literature:
roficiency Testing Final Report (Laborcode CRB = ST)
major elements [wt %]
| CRB | RV | 1sRV | Z-Score | |
| SiO₂ | 3,160 | 3,250 | 0,260 | -0,360 |
| Al₂O₃ | 0,250 | 0,240 | 0,040 | 0,250 |
| Fe₂O₃ | 0,276 | 0,266 | 0,023 | 0,430 |
| TiO₂ | 0,018 | 0,017 | 0,004 | 0,250 |
| P₂O5 | 0,014 | 0,011 | 0,002 | 1,500 |
| CaO | 1,560 | 1,540 | 0,100 | 0,190 |
| MgO | 51,650 | 51,610 | 1,420 | 0,020 |
| MgO | 86,080 | 86,010 | 2,370 | 0,030 |
| K₂O | 0,034 | 0,038 | 0,010 | -0,400 |
| Na₂O | 0,090 | 0,220 | 0,110 | -1,190 |
| Cr₂O₃ | 0,020 | 0,025 | 0,010 | -0,480 |
| LOI | 8,435 | 9,050 | 0,850 | -0,720 |
trace elements [µg/g]
| CRB | RV | 1sRV | Z-Score | |
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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