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2005 - XRF Round-robin test GeoPT17 - OU-8, Calcearous Sandstone
Organizer
International Association of Geoanalysts and Geostandards Newsletter - GeoPT17
Material
OU-8, Calcearous Sandstone
Literature
Preliminary Report - GeoPT17 Proficiency Testing Round
Download
Major elements [wt %]
CRB
RV
1sRV
Z-Score
Na₂O
0.600
0.677
0.014
MgO
1.830
1.879
0.034
Al₂O₃
6.640
6.548
0.099
SiO₂
54.070
54.120
0.594
P₂O5
0.028
---
SO₃
0.280
---
K₂O
2.970
2.967
0.050
CaO
16.710
16.711
0.219
TiO₂
0.251
0.244
0.006
Fe₂O₃ tot
1.340
1.304
0.025
MnO
0.155
0.138
0.004
Trace elements [µg/g]
CRB
RV
1sRV
Z-Score
Ba
501.00
528.00
16.40
Cr
37.00
21.50
1.08
Ga
7.90
6.30
0.38
Nb
3.50
4.20
0.38
Ni
165.00
145.70
5.40
Pb
17.00
9.60
0.55
Sr
287.00
264.00
9.14
V
28.00
29.80
1.43
Y
14.00
16.00
0.84
Zr
199.00
182.70
6.70
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
