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rfa-ringversuch
1995 - XRF Round-robin test IRMA - GSMS-2, 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
4.520
4.370
0.303
MgO
2.910
3.010
0.106
Al₂O₃
11.250
11.370
0.335
SiO₂
49.700
50.730
1.030
P₂O5
0.173
0.480
0.033
SO₃
0.760
0.600
0.190
K₂O
2.240
2.290
0.112
CaO
5.620
5.675
0.279
TiO₂
0.600
0.610
0.031
Fe₂O₃ tot
5.940
5.950
0.202
MnO
0.583
0.590
0.023
Trace elements [µg/g]
CRB
RV
1sRV
Z-Score
As
11.00
8.20
1.90
Ba
3,243.00
3,000.00
360.00
Ce
74.00
80.80
5.50
Cl
22,700.00
36,500.00
6,100.00
Co
73.00
82.00
6.00
Cr
68.00
58.00
7.50
Cu
358.00
359.00
21.00
F
1,734.00
1,000.00
170.00
Ga
17.00
18.90
3.60
Hf
3.00
3.60
0.38
La
71.00
60.30
7.80
Mo
12.00
13.90
1.40
Nb
13.00
11.00
2.40
Ni
153.00
166.00
12.80
Pb
41.00
37.50
11.00
Rb
66.00
72.60
5.50
Sr
303.00
298.00
24.60
Th
10.80
11.80
1.40
U
2.20
1.91
0.51
V
98.00
101.00
8.50
W
10.00
5.50
0.50
Y
102.00
97.70
3.80
Zn
145.00
135.00
19.00
Zr
139.00
139.00
8.70
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
