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2018 - XRF Round-robin test GeoPT 43, England - ADS-1, Dolerite
Organizer
International Association of Geoanalysts and Geostandards Newsletter - GeoPT43
Material
ADS-1, Dolerite
Literature
Report - GeoPT43 Proficiency Testing Round 43 (Laborcode CRB = B100)
Download
Major elements [wt %]
CRB
RV
1sRV
Z-Score
Na₂O
2.450
2.470
0.031
-0.230
MgO
5.560
5.590
0.150
-0.410
Al₂O₃
13.730
13.740
0.187
-0.030
SiO₂
51.020
51.010
0.436
0.010
P₂O5
0.296
0.300
0.012
-0.280
K₂O
0.990
0.999
0.028
-0.240
CaO
9.030
8.970
0.166
0.230
TiO₂
2.430
2.430
0.049
0.000
Fe₂O₃tot
13.290
13.220
0.257
0.200
MnO
0.173
0.171
0.005
0.260
Trace elements [µg/g]
CRB
RV
1sRV
Z-Score
Ba
359.00
341.60
22.70
0.76
Ce
40.00
59.50
3.90
-3.79
Co
52.00
44.60
4.10
1.82
Cr
118.00
91.80
12.20
3.52
Cu
83.00
64.30
5.70
3.40
Ga
22.00
21.90
1.70
0.05
Hf
4.50
5.10
0.30
-0.94
La
30.00
26.90
2.20
1.17
Nb
15.00
17.40
1.50
-1.34
Nd
29.00
32.80
2.00
-1.21
Ni
54.00
52.80
4.90
0.27
Pr
8.00
7.80
0.40
0.27
Rb
22.00
25.30
1.50
-1.32
Sc
28.00
27.60
2.40
0.17
Sr
409.00
402.00
15.70
0.27
V
327.00
333.00
19.90
-0.27
Y
30.00
30.00
2.20
0.00
Zn
135.00
113.00
9.80
2.48
Zr
210.00
199.00
10.50
0.77
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
