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2008 - XRF Round-robin test GeoPT22 - MBL-1, Basalt
Organizer
International Association of Geoanalysts and Geostandards Newsletter - GeoPT22
Material
MBL-1, Basalt
Literature
Preliminary Report - GeoPT22 Proficiency Testing Round
Download
Major elements [wt %]
CRB
RV
1sRV
Z-Score
Na₂O
4.460
4.380
0.119
MgO
6.410
6.300
0.231
Al₂O₃
14.490
14.460
0.302
SiO₂
51.260
51.760
0.515
P₂O5
0.837
0.846
0,05
K₂O
4.060
4.020
0.112
CaO
5.550
5.430
0.148
TiO₂
2.150
2.107
0.066
Fe₂O₃ tot.
10.030
9.890
0.216
MnO
0.134
0.130
0.005
Trace elements [µg/g]
CRB
RV
1sRV
Z-Score
Ba
780.00
755.00
41.00
Ce
100.00
103.76
6.00
Co
42.00
35.90
3.80
Cr
241.00
214.80
21.70
Cu
24.00
32.20
3.70
Ga
24.00
22.70
1.80
La
55.00
55.90
3.40
Nb
54.00
51.30
4.70
Nd
49.00
46.60
3.10
Ni
171.00
159.30
12.50
Pb
17.00
8.60
1.90
Pr
12.00
11.90
0.70
Rb
63.00
62.90
3.00
Sm
7.00
6.70
0.50
Sr
970.00
920.00
39.90
Th
5.00
6.80
1.30
U
1.00
1.70
0.40
V
108.00
105.00
7.60
Y
20.00
20.10
1.90
Zn
117.00
115.47
9.00
Zr
307.00
288.00
17.40
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
