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rfa-ringversuch
2015 - XRF Round-robin test - GeoPT37a, England - SdAR-L2, Blended Sediment
Organizer
International Association of Geoanalysts and Geostandards Newsletter - GeoPT37A
Material
SdAR-L2, (Blended Sediment)
Literature
Report - GeoPT37A Proficiency Testing Round
Download
Major elements [wt %]
CRB
RV
1sRV
Z-Score
Na₂O
2.680
2.660
0.059
0.250
MgO
0.430
0.430
0.010
0.000
Al₂O₃
11.570
11.580
0.160
-0.020
SiO₂
74.570
74.480
0.779
0.060
P₂O5
0.084
0.080
0.002
0.850
K₂O
4.090
4.100
0.066
-0.080
CaO
1.080
1.059
0.021
0.510
TiO₂
0.623
0.620
0.013
0.110
Fe₂O₃ tot
3.620
3.630
0.060
-0.080
MnO
0.099
0.099
0.003
0.000
L.O.I. *
0.800
0.930
0.090
---
Trace elements [µg/g]
CRB
RV
1sRV
Z-Score
Ag*
3.00
2.90
0.80
---
As
18.00
16.90
0.90
0.61
Ba
820.00
809.00
23.60
0.23
Ce
130.00
139.10
5.30
-0.92
Cl *
160.00
166.00
96.00
---
Cr
29.00
26.00
1.30
1.18
Cu
52.00
50.80
2.20
0.27
F *
823.00
874.00
378.00
---
Ga
15.00
17.00
0.90
-1.13
Ge
1.60
1.60
0.10
0.00
Hf
14.00
16.30
0.90
-1.35
La
57.00
67.90
2.90
-1.89
Mo
5.00
3.70
0.20
2.78
Nb
57.00
63.00
2.70
-1.11
Nd
51.00
60.30
2.60
-1.79
Ni
14.00
14.30
0.80
-0.20
Pb
162.00
182.50
6.70
-1.54
Pr
14.00
16.20
0.90
-1.29
Rb
125.00
120.00
4.70
0.54
Sb
22.00
21.80
1.10
0.09
Sc
6.00
5.60
0.30
0.56
Sm
10.00
11.50
0.60
-1.15
Sr
152.00
150.00
5.60
0.17
Th
26.00
22.00
1.10
1.82
Tl
1.00
0.99
0.10
0.09
V
35.00
35.00
1.60
0.00
Y
45.00
54.60
2.40
-2.01
Zn
208.00
201.00
7.20
0.48
Zr
600.00
618.00
18.80
-0.48
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
