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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
57.600
57.700
0.627
-0.080
TiO₂
1.080
1.076
0.021
0.090
Al₂O₃
19.590
19.580
0.250
0.020
Fe₂O₃tot
4.810
4.757
0.075
0.350
MnO
0.143
0.140
0.004
0.400
MgO
1.130
1.130
0.022
0.000
CaO
3.730
3.719
0.061
0.090
Na₂O
6.740
6.715
0.101
0.120
K₂O
3.770
3.789
0.062
-0.150
P₂O5
0.590
0.599
0.010
-0.330
L.O.I. *
0.410
0.400
0.108
0.040
Trace elements [µg/g]
CRB
RV
1sRV
Z-Score
Ba
1,383.00
1,320.00
35.80
0.88
Ce
164.00
181.90
6.60
-1.35
Cr
128.00
121.70
4.70
0.67
Ga
27.00
25.00
1.20
0.81
Hf
12.00
11.71
0.60
0.22
La
102.00
100.00
4.00
0.25
Nb
100.00
106.10
4.20
-0.73
Nd
59.00
69.10
2.90
-1.73
Pr
15.00
20.00
1.00
-2.45
Rb
55.00
65.10
2.80
-1.82
Sm
11.00
10.70
0.60
0.28
Sr
1,131.00
1,087.00
30.40
0.72
V
20.00
27.90
1.40
-2.92
Y
30.00
29.10
1.40
0.34
Zn
65.00
80.20
3.30
-2.29
Zr
512.00
507.60
15.90
0.14
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
