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rfa-ringversuch
1995 - XRF Round-robin test IRMA - GSMS-3, marines Sediment
Organizer
Institute of Rock and Mineral Analysis (IRMA) of the Chinese Academy of Geological Sciences
Material
GSMS-2 (marines Sediment)
Literature
GEOSTANDARDS NEWSLETTERS, Vol. 19, No. 2, 1995, GEOSTANDARDS NEWSLETTERS, Vol. 22, No. 1, 1998
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Major elements [wt %]
CRB
RV
1sRV
Z-Score
Na₂O
3.850
3.750
0.144
MgO
2.030
2.040
0.080
Al₂O₃
7.880
7.750
0.343
SiO₂
31.620
31.630
0.524
P₂O5
0.328
0.330
0.015
SO₃
0.698
0.510
0.200
K₂O
1.600
1.600
0.132
CaO
22.860
22.400
1.032
TiO₂
0.390
0.380
0.032
Fe₂O₃ tot
3.930
3.790
0.153
MnO
0.408
0.400
0.016
Trace elements [µg/g]
CRB
RV
1sRV
Z-Score
As
7.00
5.00
1.23
Ba
2,630.00
2,500.00
230.00
Ce
54.00
54.30
4.20
Cl
21,100.00
32,700.00
563.00
Co
52.00
53.40
4.20
Cr
44.00
35.40
8.50
Cu
248.00
232.00
9.60
F
1,226.00
700.00
110.00
Ga
11.00
11.40
0.70
Hf
2.00
2.40
0.34
La
67.00
44.10
3.70
Mo
5.00
6.00
1.10
Nb
11.00
7.20
1.00
Ni
105.00
107.00
11.50
Pb
25.00
22.00
5.20
Rb
46.00
49.80
4.80
Sr
618.00
668.00
72.00
Th
7.60
7.10
0.60
U
2.10
1.10
0.30
V
68.00
68.60
5.80
Y
65.00
69.30
7.30
Zn
139.00
140.00
24.50
Zr
97.00
96.00
4.80
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
