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Round robin tests XRF-analysis XRF Round-robin test GeoPT 38a, England - HARZ01, Harzburgite

Study organized by:
International Association of Geoanalysts and Geostandards Newsletter - GeoPT38a
Material of proficiency test:
HARZ01, Harzburgite
Study finished:
2016 - 6
Literature:
Report - GeoPT38 Proficiency Testing Round 38a (Laborcode CRB = T19)

major elements [wt %]

CRBRV1sRVZ-Score
MgO45,96045,8400,5160,120
Al₂O₃0,3800,3800,0080,000
SiO₂43,86043,2100,4900,660
CaO0,5000,4780,0111,020
Fe₂O₃-tot.9,0208,9520,1290,260

trace elements [µg/g]

CRBRV1sRVZ-Score
Co131,00116,204,501,63
Cr2970,002911,0070,100,42
Ni2719,002436,0060,302,35
Pb255,00234,008,201,28
V40,0035,101,601,50

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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