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2019 - XRF Round-robin test GeoPT 44A, England - CM-1, Carbonate Mudrock
Organizer
International Association of Geoanalysts and Geostandards Newsletter - GeoPT44A
Material
CM-1, Carbonate Mudrock
Literature
Report - GeoPT44A Proficiency Testing Round 44A (Laborcode CRB = D46)
Download
Major elements [wt %]
CRB
RV
1sRV
Z-Score
MgO
1.410
1.370
0.011
0.710
Al₂O₃
1.340
1.240
0.022
1.520
SiO₂
5.710
5.780
0.089
1.430
P₂O5
0.066
0.061
0.002
1.350
K₂O
0.230
0.219
0.010
0.100
CaO
50.600
50.180
0.532
0.380
TiO₂
0.050
0.045
0.002
1.740
Fe₂O₃tot
0.310
0.360
0.008
1.980
MnO
0.027
0.024
0.001
1.620
L.O.I. *
39.830
40.160
0.460
-0.360
TC *
11.290
11.290
0.170
0.000
CO₂*
40.200
39.900
0.432
0.290
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
