Round robin tests XRF-analysis XRF Round-robin test DIFK, Bonn - PRE 72-3, Fire clay
Study organized by:
DIFK, Bonn
Material of proficiency test:
PRE 72-3, Eisenarme Schamotte
Study finished:
2008 - 6
Literature:
Dieser Ringversuch (Laborvergleich) dient der Validierung und Normung von Fundamentalparameter-Messprogrammen wie IQ+ oder Uniquant und der Durchführung der Messung an einem Pulverpressling.
major elements [wt %]
| CRB | RV | 1sRV | Z-Score | |
| Na₂O | 0,080 | 0,120 | 0,090 | |
| MgO | 0,130 | 0,110 | 0,040 | |
| Al₂O₃ | 43,970 | 44,250 | 0,840 | |
| SiO₂ | 52,570 | 52,300 | 1,220 | |
| P₂O5 | 0,230 | 0,017 | 0,050 | |
| K₂O | 0,380 | 0,370 | 0,280 | |
| CaO | 0,070 | 0,060 | 0,030 | |
| TiO₂ | 1,680 | 1,640 | 0,150 | |
| Fe₂O₃ tot. | 0,590 | 0,620 | 0,110 |
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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