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2020 - XRF Round-robin test GeoPT 46A, IAG - POLC-1, Phosphate Rock
Organizer
International Association of Geoanalysts and Geostandards Newsletter - GeoPT 46A
Material
POLC-1, Phosphate Rock
Literature
Report - GeoPT 46AProficiency Testing Round 46 (Laborcode CRB = F90)
Download
Major elements [wt %]
CRB
RV
1sRV
Z-Score
MgO
1.150
1.100
0.022
1.150
Al₂O₃
2.340
2.380
0.040
-0.500
SiO₂
13.600
13.370
0.181
0.640
P₂O5
26.700
26.580
0.320
0.180
K₂O
0.110
0.118
0.003
-1.230
CaO
42.000
40.910
0.468
1.160
TiO₂
0.490
0.490
0.011
0.000
Fe₂O₃tot
6.000
5.796
0.089
1.150
L.O.I. *
5.910
5.910
0.090
0.000
F *
1.640
1.990
0.760
-0.230
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
