Round robin tests XRF-analysis XRF Round-robin test SISECAM - Glass and Sand Samples - Sand 1
Study organized by:
SISECAM, Turkey
Material of proficiency test:
Sand Sample 1
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 | 99,010 | 98,751 | 0,228 | 1,130 |
| Al₂O₃ | 0,580 | 0,574 | 0,049 | 0,120 |
| Fe₂O₃tot | 0,049 | 0,056 | 0,007 | -0,960 |
| TiO₂ | 0,093 | 0,093 | 0,005 | -0,010 |
| CaO | 0,020 | 0,010 | 0,010 | 0,950 |
| MgO | 0,020 | 0,023 | 0,012 | -0,270 |
| Na₂O | 0,020 | 0,011 | 0,012 | 0,730 |
| K₂O | 0,140 | 0,141 | 0,014 | -0,100 |
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
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