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2006 - XRF Round-robin test GeoPT18 - KPT-1, Quarz Diorite

Organizer
International Association of Geoanalysts and Geostandards Newsletter - GeoPT18
Material
KPT-1, Quarz Diorite
Literature
Preliminary Report - GeoPT18 Proficiency Testing Round
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Major elements [wt %]

CRB
RV
1sRV
Z-Score
Na₂O
2.450
2.610
0.045
MgO
4.240
4.300
0.069
Al₂O₃
14.410
14.410
0.193
SiO₂
54.060
54.140
0.594
P₂O5
0.164
0.170
0.004
K₂O
1.640
1.650
0.030
CaO
7.000
6.890
0.103
TiO₂
0.911
0.900
0.018
Fe₂O₃ tot
12.500
12.240
0.168
MnO
0.155
0.140
0.004

Trace elements [µg/g]

CRB
RV
1sRV
Z-Score
Ba
439.00
465.00
14.70
Ce
39.00
55.00
2.40
Cr
158.00
152.00
5.80
Ga
17.00
18.21
0.94
La
29.00
26.90
1.31
Nb
6.90
8.48
0.49
Ni
165.00
145.70
5.40
Pb
83.00
81.07
3.35
Rb
70.00
64.45
2.65
Sr
244.00
261.04
9.04
V
181.00
197.20
7.12
Y
24.00
25.82
1.27
Zn
115.00
120.24
4.68
Zr
138.00
158.12
5.90

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