Round robin tests XRF-analysis XRF Round-robin test GeoPT6b - CAL-S, Limestone
Study organized by:
International Association of Geoanalysts and Geostandards Newsletter - GeoPT6b
Material of proficiency test:
CAL-S, Limestone
Study finished:
2000 - 2
Literature:
Preliminary Report - GeoPT6 Proficiency Testing Round
major elements [wt %]
CRB | RV | 1sRV | Z-Score | |||
Na₂O | 0,030 | 0,030 | 0,012 | |||
MgO | 0,430 | 0,415 | 0,053 | |||
SiO₂ | 0,060 | 0,108 | 0,01 | |||
CaO | 55,530 | 55,890 | 1,280 |
trace elements [µg/g]
CRB | RV | 1sRV | Z-Score | |
Cr | 4,00 | 3,90 | 1,00 | |
Sr | 249,00 | 249,00 | 11,00 | |
Zn | 10,00 | 15,40 | 2,90 |
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