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2019 - XRF Round-robin test GeoPT 44, England - ShCX-1, Calcareous Shale
Organizer
International Association of Geoanalysts and Geostandards Newsletter - GeoPT44
Material
ShCX-1, Calcareous Shale
Literature
Report - GeoPT44 Proficiency Testing Round 44 (Laborcode CRB = C85)
Download
Major elements [wt %]
CRB
RV
1sRV
Z-Score
MgO
0.560
0.490
0.011
3.210
Al₂O₃
1.640
1.560
0.029
1.460
SiO₂
7.770
7.830
0.115
-0.240
P₂O5
0.068
0.061
0.002
2.030
K₂O
0.470
0.460
0.010
0.480
CaO
48.100
47.600
0.532
0.470
TiO₂
0.086
0.080
0.002
1.280
Fe₂O₃tot
0.950
0.955
0.020
-0.140
MnO
0.027
0.023
0.001
2.460
L.O.I. *
39.930
40.120
0.460
-0.210
TC *
12.400
12.400
0.170
0.000
CO₂*
37.200
37.200
0.432
0.000
Trace elements [µg/g]
CRB
RV
1sRV
Z-Score
Sr
298.00
290.00
9.90
0.42
V
75.00
60.00
2.60
2.89
Zn
187.00
193.00
7.00
-0.43
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
