Round robin tests XRF-analysis Round-robin test XRF Leonhard Moll - Cement sample 2
Study organized by:
Leonhard Moll Betonwerke GmbH Co & KG, Hanover
Material of proficiency test:
Cement sample 2
Study finished:
2016 - 7
Literature:
Report: EQAS Cement analyses
major elements [wt %]
| CRB | RV | 1sRV | Z-Score | |
| Al₂O₃ | 3,430 | 3,550 | 0,110 | -1,090 |
| CaO | 65,150 | 65,340 | 1,090 | -0,170 |
| Cr₂O₃ | 0,010 | 0,010 | 0,000 | 0,000 |
| Fe₂O₃-tot | 2,470 | 2,530 | 0,100 | -0,600 |
| K₂O | 0,680 | 0,680 | 0,010 | 0,000 |
| MgO | 1,380 | 1,310 | 0,130 | 0,540 |
| Mn₂O₃ | 0,030 | 0,030 | 0,000 | 0,000 |
| Na₂O | 0,150 | 0,130 | 0,020 | 1,000 |
| Na₂O-Äqu. | 0,600 | 0,580 | 0,020 | 1,000 |
| P₂O5 | 0,200 | 0,200 | 0,010 | 0,000 |
| SiO₂ | 21,680 | 22,080 | 0,600 | -0,670 |
| SrO | 0,150 | 0,150 | 0,010 | 0,000 |
| SO₃ | 2,560 | 2,650 | 0,120 | -0,750 |
| TiO₂ | 0,180 | 0,160 | 0,040 | 0,500 |
| LOI | 1,900 | 2,110 | 0,170 | -1,240 |
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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