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Round robin tests XRF-analysis XRF Round-robin test GeoPT 47, England - BIM-1, Silty Soil

Study organized by:
International Association of Geoanalysts and Geostandards Newsletter - GeoPT47
Material of proficiency test:
BIM-1, Silty Soil
Study finished:
2022 - 8
Literature:
Report - GeoPT47 Proficiency Testing Round 47 (Laborcode CRB = H119)

major elements [wt %]

CRBRV1sRVZ-Score
SiO₂73,51073,5000,7700,010
TiO₂0,2110,2100,0050,110
Al₂O₃13,51013,4700,1820,110
Fe₂O₃tot1,9801,9600,0350,280
MnO0,0500,0500,0020,000
MgO0,3600,3700,009-0,580
CaO1,0301,0000,0200,750
Na₂O3,8503,8280,0630,180
K₂O4,8004,8000,0760,000
P₂O50,0620,0600,0020,550
L.O.I. *0,4300,4400,100-0,070
F *0,1120,1030,0380,110

trace elements [µg/g]

CRBRV1sRVZ-Score
Ba332,00343,6011,41-0,51
Cr550,00545,0016,890,15
Ga19,0017,600,910,77
Hf4,805,260,33-0,70
Nb25,0022,601,131,06
Pb33,0031,901,520,36
Rb237,00255,208,86-1,03
Sr137,00135,505,180,14
Y38,0029,701,432,91
Zn36,0031,801,511,40

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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