< Back
rfa-ringversuch
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
52.620
52.520
0.579
0.090
TiO₂
1.190
1.176
0.023
0.310
Al₂O₃
14.270
14.320
0.192
-0.130
Fe₂O₃tot
11.460
11.310
0.157
0.480
MnO
0.183
0.179
0.005
0.430
MgO
6.550
6.580
0.099
-0.150
CaO
10.520
10.430
0.147
0.310
Na₂O
2.280
2.235
0.040
0.570
K₂O
0.710
0.720
0.015
-0.330
P₂O5
0.145
0.140
0.004
0.660
L.O.I. *
0.020
0.290
0.096
-1.390
Trace elements [µg/g]
CRB
RV
1sRV
Z-Score
Ba
195.00
178.50
6.50
1.26
Co
45.00
44.40
2.00
0.14
Cr
157.00
165.00
6.10
-0.65
Cu
128.00
121.90
4.70
0.64
Ga
19.00
17.40
0.90
0.87
Hf
3.10
2.76
0.20
0.90
Ni
67.00
74.30
3.10
-1.17
Rb
26.00
24.40
1.20
0.66
Sr
192.00
185.00
6.70
0.52
V
264.00
275.50
9.50
-0.61
Y
23.00
22.70
1.10
0.14
Zn
82.00
82.60
3.40
-0.08
Zr
98.00
99.80
4.00
-0.22
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
