Round robin tests XRF-analysis XRF Round-robin test DIFK, Bonn - PRE 72-7, Kyanite (Disthen)
Study organized by:
DIFK, Bonn
Material of proficiency test:
PRE 72-7, Kyanit (Disthen)
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 | 0,160 | 0,160 | 0,030 | |
MgO | 0,080 | 0,040 | 0,040 | |
Al₂O₃ | 61,840 | 62,280 | 0,900 | |
SiO₂ | 35,440 | 35,160 | 1,230 | |
P₂O5 | 0,110 | 0,090 | 0,020 | |
K₂O | 0,170 | 0,170 | 0,020 | |
CaO | 0,420 | 0,330 | 0,130 | |
TiO₂ | 1,240 | 1,180 | 0,100 | |
Fe₂O₃ tot | 0,420 | 0,440 | 0,070 |
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