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rfa-ringversuch
1997 - XRF Round-robin test PRIS - PRIS S-2, Shale
Organizer
Postgraduate Resaerch Institute for Sedimentology (PRIS), Whiteknights, England
Material
Shale PRIS S-2
Literature
Ergbnisprotokoll und Diskette von 08/1998
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Major elements [wt %]
CRB
RV
1sRV
Z-Score
Na₂O
0.470
0.550
0.066
MgO
2.000
2.020
0.200
Al₂O₃
14.650
14.310
0.272
SiO₂
58.350
58.910
0.866
P₂O5
0.143
0.150
0.021
SO₃
0.053
0.055
0.010
K₂O
4.330
4.260
0.119
CaO
5.200
5.290
0.373
TiO₂
0.790
0.770
0.037
Fe₂O₃ tot
6.340
6.150
0.190
MnO
0.091
0.093
0.007
Trace elements [µg/g]
CRB
RV
1sRV
Z-Score
As
25.00
20.00
6.10
Ce
61.00
72.00
5.50
Co
17.00
17.00
3.80
Cr
98.00
91.00
23.20
Cu
5.00
11.00
2.70
Hf
4.90
5.80
1.00
La
45.00
36.00
3.80
Ni
47.00
47.00
8.90
Pb
14.00
22.00
7.00
Rb
186.00
176.00
19.10
Sr
116.00
120.00
20.50
V
101.00
97.00
22.20
Zn
65.00
65.00
7.30
Zr
213.00
193.00
59.10
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
