Round-robin test DIFK - PRE 72-6, Bauxite - CRB GmbH
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Round robin tests XRF-analysis XRF Round-robin test DIFK, Bonn - PRE 72-6, Bauxite

Study organized by:
DIFK, Bonn
Material of proficiency test:
PRE 72-7, Bauxit
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 %]

CRBRV1sRVZ-Score
Na₂O0,0200,0100,010
MgO0,0200,0300,040
Al₂O₃83,84083,7101,660
SiO₂10,34010,4800,660
P₂O50,1000,0800,030
K₂O0,0700,0700,050
CaO0,0400,0300,020
TiO₂3,7003,8000,370
Fe₂O₃ tot1,5101,5400,250

trace elements [µg/g]

CRBRV1sRVZ-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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