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Round robin tests XRF-analysis XRF Round-robin test GeoPT18 - KPT-1, Quarz Diorite

Study organized by:
International Association of Geoanalysts and Geostandards Newsletter - GeoPT18
Material of proficiency test:
KPT-1, Quarz Diorite
Study finished:
2006 - 4
Literature:
Preliminary Report - GeoPT18 Proficiency Testing Round

major elements [wt %]

CRBRV1sRVZ-Score
Na₂O2,4502,6100,045
MgO4,2404,3000,069
Al₂O₃14,41014,4100,193
SiO₂54,06054,1400,594
P₂O50,1640,1700,004
K₂O1,6401,6500,030
CaO7,0006,8900,103
TiO₂0,9110,9000,018
Fe₂O₃ tot12,50012,2400,168
MnO0,1550,1400,004

trace elements [µg/g]

CRBRV1sRVZ-Score
Ba439,00465,0014,70
Ce39,0055,002,40
Cr158,00152,005,80
Ga17,0018,210,94
La29,0026,901,31
Nb6,908,480,49
Ni165,00145,705,40
Pb83,0081,073,35
Rb70,0064,452,65
Sr244,00261,049,04
V181,00197,207,12
Y24,0025,821,27
Zn115,00120,244,68
Zr138,00158,125,90

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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