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2014 - XRF Round-robin test GeoPT35, England - TLM-1, Tonalite
Organizer
International Association of Geoanalysts and Geostandards Newsletter - GeoPT35
Material
TLM-1, (Tonalite)
Literature
Report - GeoPT35 Proficiency Testing Round
Download
Major elements [wt %]
CRB
RV
1sRV
Z-Score
Na₂O
2.920
2.960
0.050
-0.400
MgO
3.300
3.320
0.055
-0.180
Al₂O₃
17.350
17.290
0.230
0.130
SiO₂
58.550
58.540
0.640
0.010
P₂O5
0.129
0.129
0.004
0.050
K₂O
1.660
1.640
0.030
0.350
CaO
6.780
6.690
0.101
0.460
TiO₂
0.840
0.831
0.011
0.270
Fe₂O₃ tot
7.630
7.535
0.111
0.430
MnO
0.113
0.116
0.003
-0.390
L.O.I.*
0.530
0.750
0.110
---
Trace elements [µg/g]
CRB
RV
1sRV
Z-Score
Ba
735.00
733.00
21.70
0.05
C-tot. *
900.00
597.00
200.00
---
Ce
17.00
28.30
1.40
-4.13
Co
20.00
19.30
1.00
0.33
Cl *
230.00
229.00
72.00
---
Cr *
16.00
16.80
11.00
---
Cu
21.00
20.00
1.00
0.49
F *
290.00
471.00
194.00
---
Ga
21.00
19.10
1.00
0.97
Hf
3.70
3.50
0.20
0.46
La
12.00
12.60
0.70
-0.41
Nd
14.00
16.80
0.90
-1.60
Ni
8.00
6.00
0.40
2.73
Pb
15.00
14.00
0.80
0.66
Pr
6.00
3.90
0.30
4.10
Rb
56.00
60.80
2.60
-0.91
S *
80.00
108.00
38.00
---
Sm
4.00
4.10
0.30
0.24
Sr
302.00
294.00
10.00
0.40
Th
4.00
3.90
0.30
0.16
U
1.00
1.20
0.10
-1.40
V
144.00
146.00
5.50
-0.15
Y
24.00
24.00
1.20
0.02
Zn
88.00
89.80
3.70
-0.25
Zr
126.00
125.50
4.90
0.05
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
