Round robin tests XRF-analysis Round-robin test third-party supervisor 2017 - Fly ash
Study organized by:
Karlsruhe Institute of Technology (KIT) Materials Testing and Research Institute at MPA Karlsruhe; about KIWA, Berlin
Material of proficiency test:
17/11981/10, Fly ash
Study finished:
2017 - 7
Literature:
Report on the Comparative Review of External Monitorers 2017
major elements [wt %]
| CRB | RV | 1sRV | Z-Score | |
| Na₂O | 0,760 | 0,800 | 0,070 | -0,600 |
| MgO | 1,940 | 1,800 | 0,230 | 0,600 |
| Al₂O₃ | 24,630 | 24,900 | 1,400 | -0,200 |
| SiO₂ | 47,580 | 48,600 | 1,990 | -0,500 |
| P₂O5 | 0,919 | 0,900 | 0,080 | 0,200 |
| SO₃ | 0,650 | 0,600 | 0,120 | 0,400 |
| K₂O | 1,920 | 1,870 | 0,140 | 0,400 |
| CaO | 8,010 | 8,000 | 0,330 | 0,000 |
| Fe₂O₃ tot. | 5,500 | 5,300 | 0,320 | 0,600 |
| L.O.I. | 6,220 | 6,200 | 0,300 | 0,100 |
| TC | 4,100 | 4,000 | 0,260 | 0,400 |
trace elements [µg/g]
| CRB | RV | 1sRV | Z-Score | |
| Pb | 49,00 | 38,80 | 21,37 | 0,50 |
| Cd | 1,00 | 0,50 | 0,31 | 1,60 |
| Cr | 166,00 | 101,10 | 51,83 | 1,30 |
| Cu | 98,00 | 68,20 | 22,39 | 1,30 |
| Hg | 0,29 | 0,30 | 0,04 | -0,40 |
| Zn | 150,00 | 107,40 | 42,38 | 1,00 |
| Ni | 119,00 | 37,00 | 28,88 | 2,80 |
| V | 262,00 | 170,40 | 44,55 | 2,10 |
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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