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2016 - XRF Round-robin test GeoPT 39, England - SyMP-1, Syenite
Organizer
International Association of Geoanalysts and Geostandards Newsletter - GeoPT39
Material
SyMP-1, Syenite
Literature
Report - GeoPT38 Proficiency Testing Round 39 (Laborcode CRB = U22)
Download
Major elements [wt %]
CRB
RV
1sRV
Z-Score
Na₂O
1.780
1.720
0.032
0.190
MgO
3.270
3.310
0.055
-0.380
Al₂O₃
13.150
12.990
0.177
0.460
SiO₂
55.300
55.520
0.607
-0.180
P₂O5
0.706
0.721
0.015
-0.480
K₂O
10.390
10.400
0.146
-0.050
CaO
3.160
3.140
0.053
0.190
TiO₂
0.790
0.799
0.017
-0.290
Fe₂O₃tot
7.780
7.755
0.114
0.110
MnO
0.102
0.101
0.003
0.240
L.O.I.
2.370
2.390
0.040
-0.250
C-tot. *
0.500
0.640
0.100
---
Trace elements [µg/g]
CRB
RV
1sRV
Z-Score
Ba
5,067.00
5,220.00
115.00
-0.66
Ce
419.00
471.00
14.90
-1.74
Cl *
190.00
180.00
40.00
---
Cr
276.00
296.00
10.10
-0.99
Cu
121.00
115.00
4.50
0.67
F *
4,380.00
3,561.00
785.00
---
Ga
18.00
21.30
1.10
-1.54
Hf
21.00
23.75
1.20
-1.17
La
243.00
219.00
7.80
1.54
Nd
205.00
222.40
7.90
-1.10
Ni
221.00
230.00
8.10
-0.56
Pb
245.00
248.50
8.70
-0.20
Pr
43.00
57.30
2.50
-2.87
Rb
627.00
641.80
19.40
-0.38
Sm
23.00
40.60
1.90
-4.72
Sr
782.00
778.00
22.90
0.09
Th
73.00
124.20
4.80
-5.32
U
12.00
13.20
0.70
-0.83
V
154.00
156.50
5.90
-0.21
Y
65.00
48.00
2.10
-3.96
Zn
113.00
111.70
1.40
0.15
Zr
868.00
917.00
26.30
-0.93
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
