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2021 - XRF Round-robin test GeoPT 47A, England - NES-1, Silty Soil

Organizer
International Association of Geoanalysts and Geostandards Newsletter - GeoPT 47A
Material
NES-1, Silty Soil
Literature
Report - GeoPT47A Proficiency Testing Round 47A(Laborcode CRB = J88)
Download

Major elements [wt %]

CRB
RV
1sRV
Z-Score
SiO₂
80.120
80.150
0.829
-0.020
TiO₂
0.696
0.700
0.015
-0.140
Al₂O₃
5.680
5.670
0.087
0.060
Fe₂O₃tot
3.160
3.121
0.053
0.370
MnO
0.094
0.091
0.003
0.560
MgO
0.500
0.500
0.011
-0.060
CaO
0.340
0.320
0.008
1.320
Na₂O*
0.280
0.282
0.056
-0.020
K₂O
1.040
1.045
0.021
-0.120
P₂O5
0.227
0.230
0.010
-0.260
L.O.I.
7.690
7.640
0.113
0.220
TOC*
2.690
2.510
0.442
0.200
C-gesamt*
2.820
2.930
0.369
-0.150

Trace elements [µg/g]

CRB
RV
1sRV
Z-Score
Ba
150.00
160.50
6.00
-0.88
Cr
76.00
62.20
2.70
2.58
Cu
19.00
18.00
0.90
0.54
Ga
10.00
8.10
0.50
2.05
Hf
8.50
8.10
0.50
0.42
Nb
11.00
14.40
0.80
-2.23
Ni
21.00
19.10
1.00
1.00
Pb
38.00
40.00
1.80
-0.55
Rb
48.00
54.00
2.40
-1.27
Sr
30.00
27.00
1.30
1.14
V
49.00
51.00
2.30
-0.44
Y
19.00
17.80
0.90
0.65
Zn
68.00
64.10
2.70
0.71
Zr
330.00
322.00
10.80
0.37

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