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Round robin tests XRF-analysis XRF Round-robin test GeoPT23 - OU-9, Separation Lake Pegmatite

Study organized by:
International Association of Geoanalysts and Geostandards Newsletter - GeoPT23
Material of proficiency test:
OU-9, Separation Lake Pegmatite
Study finished:
2008 - 11
Literature:
Preliminary Report - GeoPT23 Proficiency Testing Round

major elements [wt %]

CRBRV1sRVZ-Score
Na₂O3,9704,1700,067
MgO0,080------
Al₂O₃12,41012,3500,169
SiO₂79,51079,5000,823
P₂O50,0310,0300,001  
K₂O1,3601,3600,026
CaO0,2900,2900,007
TiO₂0,0580,0570,002
Fe₂O₃ tot0,7300,7400,015
MnO0,1080,1100,003

trace elements [µg/g]

CRBRV1sRVZ-Score
Ba16,009,000,50
Ce14,007,006,00
Ga59,0056,602,50
Nb137,00155,305,80
Rb2512,002501,0061,00
Sm2,003,200,20
Te135,00125,004,80
Th6,005,100,30
U3,004,400,30
Y15,008,000,50
Zn31,0028,201,40

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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