< Back
rfa-ringversuch

2000 - XRF Round-robin test GeoPT7 - GBPG-1, Garnet-Biotite Plagiogneiss

Organizer
International Association of Geoanalysts and Geostandards Newsletter - GeoPT7
Material
GBPG-1, Garnet-Biotite Plagiogneiss
Literature
Preliminary Report - GeoPT7 Proficiency Testing Round
Download

Major elements [wt %]

CRB
RV
1sRV
Z-Score
Na₂O
3.540
3.600
0.180
MgO
2.520
2.600
0.090
Al₂O₃
15.950
15.900
0.200
SiO₂
64.960
64.950
0.710
P₂O5
0.080
0.080
0.002
K₂O
2.270
2.200
0.080
CaO
2.850
2.800
0.050
TiO₂
0.712
0.694
0.024
Fe₂O₃ tot.
6.020
6.030
0.020
MnO
0.071
0.070
0.003

Trace elements [µg/g]

CRB
RV
1sRV
Z-Score
Ba
927.00
908.00
12.00
Ce
90.00
103.00
1.20
Co
20.00
19.50
0.30
Cr
192.00
182.00
2.60
Cu
31.00
30.00
0.40
Ga
19.00
18.60
0.20
La
49.00
53.00
0.80
Mo
1.80
1.70
0.05
Nb
8.00
9.90
0.22
Ni
61.00
59.60
0.80
Pb
16.00
14.10
0.24
Rb
60.00
56.00
0.65
Sr
388.00
363.50
2.60
Th
12.50
11.30
0.23
V
90.00
96.50
1.00
Y
17.00
18.00
0.32
Zn
81.00
80.30
0.70
Zr
232.00
231.80
3.30

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