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rfa-ringversuch
2007 - XRF Round-robin test GeoPT20 - OPY-1, fine grained ultramafic rock
Organizer
International Association of Geoanalysts and Geostandards Newsletter - GeoPT20
Material
OPY-1, fine grained ultramafic rock
Literature
Preliminary Report - GeoPT20 Proficiency Testing Round
Download
Major elements [wt %]
CRB
RV
1sRV
Z-Score
Na₂O
0.110
0.110
0.022
MgO
21.100
21.430
0.270
Al₂O₃
8.120
7.950
0.116
SiO₂
44.300
44.050
0.498
P₂O5
0.026
K₂O
0.050
CaO
7.790
7.900
0.115
TiO₂
0.387
0.380
0.009
Fe₂O₃ tot
11.860
11.840
0.163
MnO
0.176
0.180
0.005
Trace elements [µg/g]
CRB
RV
1sRV
Z-Score
Co
84.00
86.50
3.50
Cr
2,357.00
2,421.00
60.00
Cu
53.00
44.00
2.00
Ga
10.00
9.01
0.50
Ni
568.00
871.00
25.00
Rb
3.00
1.04
0.08
Sr
14.00
15.99
0.80
V
181.00
168.00
6.21
Y
10.00
9.40
0.50
Zn
56.00
61.80
2.70
Zr
16.00
16.90
0.90
Legende
CRB
Interlaboratory test
1s-RV
Z-score
*
CRB Results
Interlaboratory Test Results
Standard Deviation Interlaboratory Test
Difference between the measured value and the average value of the interlaboratory test
Value not certified
