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Round robin tests XRF-analysis XRF Round-robin test HUK Umweltlabor GmbH - Alumina 90%

Study organized by:
HUK Umweltlabor GmbH, Wenden-Hünsborn
Material of proficiency test:
Tonerde 90%
Study finished:
2011 - 6
Literature:
Bescheinigung über erfolgreiche Teilnahme

major elements [wt %]

CRBRV1sRVZ-Score
Na₂O0,7800,7500,0400,690
MgO3,1702,9400,6200,370
Al₂O₃90,43090,1800,5900,420
SiO₂1,5101,6700,280-0,590
P₂O50,0400,0400,010-0,500
K₂O0,0200,0300,020-0,680
CaO2,4002,4900,080-1,220
TiO₂0,0800,0800,0100,600
Fe₂O₃ tot1,0401,0700,150-0,200
MnO0,0800,0900,020-0,100
L.O.I.*2,0402,6201,010-0,590

trace elements [µg/g]

CRBRV1sRVZ-Score
Cr₂O₃0,090,080,020,07
ZrO₂0,270,300,03-0,89
SO₃<0,040,070,06---

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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