Round robin tests XRF-analysis XRF Round-robin test SISECAM - Glass and Sand Samples - Sand 2
Study organized by:
SISECAM, Turkey
Material of proficiency test:
Sand Sample 2
Study finished:
2018 - 2
Literature:
Round Robin Inter Laboratories Comparison Proficiency Test Report Glass and Sand Samples
major elements [wt %]
CRB | RV | 1sRV | Z-Score | |
SiO₂ | 99,530 | 99,326 | 0,299 | 0,360 |
Al₂O₃ | 0,250 | 0,253 | 0,033 | -0,090 |
Fe₂O₃tot | 0,018 | 0,015 | 0,002 | -0,450 |
TiO₂ | 0,050 | 0,050 | 0,004 | -0,060 |
CaO | 0,020 | 0,009 | 0,012 | 0,960 |
MgO | 0,000 | 0,004 | 0,007 | -0,630 |
Na₂O | 0,000 | 0,013 | 0,016 | -0,790 |
K₂O | 0,060 | 0,061 | 0,018 | -0,060 |
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