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2003 - XRF Round-robin test GeoPT11 - certification project OU-6, Penrhyn Slate
Organizer
International Association of Geoanalysts and Geostandards Newsletter - GeoPT11
Material
certification project OU-6, Penrhyn Slate
Literature
preliminary report
Download
Major elements [wt %]
CRB
RV
1sRV
Z-Score
Na₂O
1.690
1.759
0.043
---
MgO
2.400
2.419
0.034
---
Al₂O₃
20.470
10.450
0.201
---
SiO₂
57.530
57.350
0.469
---
P₂O5
0.116
0.117
0.008
---
K₂O
3.050
3.031
0.046
---
CaO
0.780
0.738
0.024
---
TiO₂
0.997
0.995
0.019
---
Fe₂O₃ tot.
8.880
8.945
0.142
---
MnO
0.281
0.284
0.006
---
Trace elements [µg/g]
CRB
RV
1sRV
Z-Score
Ba
476.00
478.00
13.60
---
Ce
67.00
77.10
13.60
---
Co
31.00
29.10
1.39
---
Cr
70.00
70.70
4.06
---
Cu
38.00
40.40
2.78
---
Ga
26.00
24.20
1.16
---
Hf
4.80
4.70
0.04
---
Nb
15.00
14.50
0.77
---
Ni
45.00
40.17
2.12
---
Pb
31.00
28.80
1.13
---
Rb
132.00
121.20
3.77
---
Sr
130.00
131.70
4.88
---
V
125.00
129.80
5.04
---
Y
29.80
27.80
1.16
---
Zn
116.00
111.50
4.50
---
Zr
168.00
173.50
4.58
---
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
