Round robin tests XRF-analysis XRF Round-robin test GeoPT16 - BNV-1, Basalt
Study organized by:
International Association of Geoanalysts and Geostandards Newsletter - GeoPT16
Material of proficiency test:
BNV-1, Basalt
Study finished:
2005 - 2
Literature:
Preliminary Report - GeoPT16 Proficiency Testing Round
major elements [wt %]
| CRB | RV | 1sRV | Z-Score | |
| Na₂O | 2,070 | 2,087 | 0,034 | |
| MgO | 8,480 | 8,514 | 0,123 | |
| Al₂O₃ | 17,220 | 17,410 | 0,227 | |
| SiO₂ | 47,840 | 47,990 | 0,536 | |
| P₂O5 | 0,136 | 0,138 | 0,004 | |
| SO₃ | 0,096 | |||
| K₂O | 0,183 | 0,188 | 0,005 | |
| CaO | 12,280 | 12,149 | 0,167 | |
| TiO₂ | 1,207 | 1,167 | 0,023 | |
| Fe₂O₃ tot | 10,510 | 10,330 | 0,145 | |
| MnO | 0,162 | 0,162 | 0,0043 |
trace elements [µg/g]
| CRB | RV | 1sRV | Z-Score | |
| Ba | 173,00 | 196,00 | 6,40 | |
| Co | 45,00 | 46,90 | 2,10 | |
| Cr | 274,00 | 302,00 | 10,20 | |
| Cu | 85,00 | 89,50 | 3,60 | |
| Ga | 17,00 | 16,02 | 0,84 | |
| Nb | 3,50 | 4,16 | 0,38 | |
| Ni | 165,00 | 145,70 | 5,40 | |
| Sr | 381,00 | 361,40 | 11,90 | |
| V | 218,00 | 238,00 | 8,40 | |
| Zn | 70,00 | 70,80 | 3,00 | |
| Zr | 56,00 | 56,10 | 2,40 |
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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