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

Organizer
International Association of Geoanalysts and Geostandards Newsletter - GeoPT47
Material
BIM-1, Silty Soil
Literature
Report - GeoPT47 Proficiency Testing Round 47 (Laborcode CRB = H119)
Download

Major elements [wt %]

CRB
RV
1sRV
Z-Score
SiO₂
64.750
64.700
0.691
0.040
TiO₂
0.780
0.785
0.016
-0.140
Al₂O₃
14.250
14.220
0.191
0.080
Fe₂O₃tot
6.610
6.581
0.099
0.150
MnO
0.156
0.152
0.004
0.530
MgO
2.210
2.200
0.039
0.130
CaO
0.410
0.393
0.009
0.940
Na₂O
1.110
1.120
0.022
-0.230
K₂O
2.700
2.716
0.047
-0.170
P₂O5
0.139
0.140
0.000
-0.090
L.O.I. *
6.630
6.790
0.498
-0.160
TOC *
1.210
1.140
0.162
0.190
C-gesamt
1.250
1.220
0.024
0.600

Trace elements [µg/g]

CRB
RV
1sRV
Z-Score
Ba
431.00
427.60
13.70
0.12
Cr
156.00
129.00
5.00
2.72
Cu
42.00
44.00
1.90
-0.62
Ga
19.00
17.40
0.90
0.86
Hf
6.70
6.31
0.40
0.52
Nb
10.00
12.70
0.70
-1.95
Ni
75.00
68.40
2.90
1.14
Pb
38.00
40.00
1.80
-0.55
Rb
93.00
101.00
4.00
-0.99
Sr
73.00
72.00
3.00
0.25
V
117.00
117.30
4.60
-0.03
Y
32.00
36.00
1.50
-1.32
Zn
102.00
106.60
4.20
-0.54
Zr
252.00
236.80
8.30
0.91

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