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rfa-ringversuch
1995 - XRF Round-robin test IRMA - GSPN-3, Manganese ore
Organizer
Institute of Rock and Mineral Analysis (IRMA) of the Chinese Academy of Geological Sciences
Material
GSPN-3, marines Sediment, Manganerz
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
3.990
3.040
0.338
MgO
3.620
3.560
0.140
Al₂O₃
5.180
4.670
0.280
SiO₂
14.200
12.100
0.500
P₂O5
0.310
0.360
0.050
SO₃
0.230
0.220
0.070
K₂O
1.190
1.110
0.120
CaO
2.430
2.220
0.200
TiO₂
0.580
0.540
0.040
Fe₂O₃ tot
4.500
4.580
0.290
MnO
30.000
31.900
1.000
Trace elements [µg/g]
CRB
RV
1sRV
Z-Score
As
37.00
54.00
10.00
Ba
2,600.00
2,400.00
200.00
Cd
22.00
23.00
3.00
Ce
277.00
249.00
22.00
Cl
7,600.00
7,700.00
700.00
Co
1,800.00
1,600.00
90.00
Cr
10.00
19.00
5.00
Cu
11,600.00
13,300.00
1,200.00
La
123.00
184.00
13.00
Mo
603.00
485.00
38.00
Nb
19.00
47.00
3.00
Ni
14,100.00
10,200.00
800.00
Pb
297.00
709.00
36.00
Rb
10.00
16.00
5.00
Sr
503.00
853.00
73.00
V
530.00
452.00
51.00
Zn
1,400.00
910.00
150.00
Zr
260.00
612.00
32.00
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
