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rfa-ringversuch
1997 - XRF Round-robin test PRIS - PRIS S-1, Estuarine Sediment
Organizer
Postgraduate Resaerch Institute for Sedimentology (PRIS), Whiteknights, England
Material
Estuarine Sediment PRIS S-1
Literature
Ergbnisprotokoll und Diskette von 08/1998
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Major elements [wt %]
CRB
RV
1sRV
Z-Score
Na₂O
1.800
1.850
0.251
MgO
2.620
2.680
0.173
Al₂O₃
14.110
13.780
0.211
SiO₂
47.560
47.690
1.023
P₂O5
0.249
0.260
0.037
SO₃
0.350
0.430
0.062
K₂O
2.820
2.750
0.174
CaO
7.120
7.230
0.402
TiO₂
0.750
0.760
0.044
Fe₂O₃ tot
5.940
5.670
1.340
MnO
0.098
0.098
0.007
Trace elements [µg/g]
CRB
RV
1sRV
Z-Score
As
28.00
19.00
3.90
Ce
56.00
69.00
9.30
Co
18.00
19.00
4.00
Cr
11.00
105.00
18.40
Cu
21.00
38.00
6.20
Hf
3.50
4.10
0.60
La
42.00
36.00
4.10
Ni
48.00
47.00
8.30
Pb
66.00
84.00
21.20
Rb
127.00
124.00
11.00
Sr
242.00
253.00
25.50
V
117.00
115.00
19.60
Zn
277.00
267.00
27.60
Zr
138.00
134.00
38.80
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
