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Round robin tests XRF-analysis XRF Round-robin test HUK Umweltlabor GmbH - Alumina 75%

Study organized by:
HUK Umweltlabor GmbH, Wenden-Hünsborn
Material of proficiency test:
Tonerde 75%
Study finished:
2011 - 6
Literature:
Bescheinigung über erfolgreiche Teilnahme

major elements [wt %]

CRBRV1sRVZ-Score
Na₂O0,1500,2900,090-1,600
MgO3,4903,3100,6000,300
Al₂O₃73,93073,8400,1600,560
SiO₂13,88013,9700,110-0,790
P₂O50,3500,3500,010-0,790
K₂O0,2100,2200,010-0,920
CaO2,4702,5300,050-1,050
TiO₂1,4901,5300,060-0,720
Fe₂O₃ tot2,3002,0300,2601,050
MnO0,0900,0900,0200,300
L.O.I.*1,9202,1400,230-0,980

trace elements [µg/g]

CRBRV1sRVZ-Score
Cr₂O₃0,340,300,031,29
ZrO₂1,071,210,02-0,74
SO₃<0,040,040,06---

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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