Round robin tests XRF-analysis XRF Round-robin test GeoPT 38a, England - HARZ01, Harzburgite
Study organized by:
International Association of Geoanalysts and Geostandards Newsletter - GeoPT38a
Material of proficiency test:
HARZ01, Harzburgite
Study finished:
2016 - 6
Literature:
Report - GeoPT38 Proficiency Testing Round 38a (Laborcode CRB = T19)
major elements [wt %]
| CRB | RV | 1sRV | Z-Score | |
| MgO | 45,960 | 45,840 | 0,516 | 0,120 |
| Al₂O₃ | 0,380 | 0,380 | 0,008 | 0,000 |
| SiO₂ | 43,860 | 43,210 | 0,490 | 0,660 |
| CaO | 0,500 | 0,478 | 0,011 | 1,020 |
| Fe₂O₃-tot. | 9,020 | 8,952 | 0,129 | 0,260 |
trace elements [µg/g]
| CRB | RV | 1sRV | Z-Score | |
| Co | 131,00 | 116,20 | 4,50 | 1,63 |
| Cr | 2970,00 | 2911,00 | 70,10 | 0,42 |
| Ni | 2719,00 | 2436,00 | 60,30 | 2,35 |
| Pb | 255,00 | 234,00 | 8,20 | 1,28 |
| V | 40,00 | 35,10 | 1,60 | 1,50 |
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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