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Round robin tests XRF-analysis XRF Round-robin test GeoPT16 - BNV-1, Basalt

Study organized by:
International Association of Geoanalysts and Geostandards Newsletter - GeoPT16
Material of proficiency test:
BNV-1, Basalt
Study finished:
2005 - 2
Literature:
Preliminary Report - GeoPT16 Proficiency Testing Round

major elements [wt %]

CRBRV1sRVZ-Score
Na₂O2,0702,0870,034
MgO8,4808,5140,123
Al₂O₃17,22017,4100,227
SiO₂47,84047,9900,536
P₂O50,1360,1380,004
SO₃0,096  
K₂O0,1830,1880,005
CaO12,28012,1490,167
TiO₂1,2071,1670,023
Fe₂O₃ tot10,51010,3300,145
MnO0,1620,1620,0043

trace elements [µg/g]

CRBRV1sRVZ-Score
Ba173,00196,006,40
Co45,0046,902,10
Cr274,00302,0010,20
Cu85,0089,503,60
Ga17,0016,020,84
Nb3,504,160,38
Ni165,00145,705,40
Sr381,00361,4011,90
V218,00238,008,40
Zn70,0070,803,00
Zr56,0056,102,40

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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