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rfa-ringversuch

2007 - XRF Round-robin test UNICAMP - BRP-1, Basalt

Organizer
UNICAMP, Instituto de Geosciencas, Campinas, Brasilien
Material
BRP-1, Basalt
Literature
Certificate of Analysis of the Reference Material BRP-1 (Basalt Ribeirao Preto)
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Major elements [wt %]

CRB
RV
1sRV
Z-Score
Na₂O
2.710
2.710
0.040
MgO
3.900
3.940
0.050
Al₂O₃
12.340
12.400
0.140
SiO₂
50.260
50.390
0.760
P₂O5
0.623
0.630
0.020
 
 
K₂O
1.500
1.520
0.020
CaO
7.910
7.950
0.110
TiO₂
3.940
3.810
0.060
Fe₂O₃ tot
15.640
15.590
0.160
MnO
0.204
0.210
0.006
L.O.I.
0.490

Trace elements [µg/g]

CRB
RV
1sRV
Z-Score
Ba
578.00
555.00
14.60
Ce
68.00
93.30
2.30
Co
32.00
37.50
1.80
Cr
15.00
12.40
0.80
Cu
177.00
160.00
5.00
Ga
22.00
24.80
1.00
Hf
6.00
8.00
0.30
La
34.00
42.60
1.10
Nb
25.00
29.10
1.60
Nd
48.00
51.90
1.30
Ni
29.00
23.40
1.80
Pb
5.00
5.50
0.40
Rb
34.00
35.50
1.50
Sr
461.00
492.00
11.80
V
378.00
391.00
10.00
Y
41.00
42.60
2.20
Zn
139.00
142.20
3.10
Zr
309.00
310.40
6.30

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