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2009 - XRF Round-robin test GeoPT25, England - HTB-1, Basalt
Organizer
International Association of Geoanalysts and Geostandards Newsletter - GeoPT25
Material
HTB-1, Basalt
Literature
Preliminary Report - GeoPT25 Proficiency Testing Round
Download
Major elements [wt %]
CRB
RV
1sRV
Z-Score
Na₂O
2.620
2.730
0.057
MgO
3.930
3.890
0.063
Al₂O₃
12.490
12.410
0.170
SiO₂
50.250
50.420
0.559
P₂O5
0.635
0.633
0,014
K₂O
1.520
1.530
0.029
CaO
7.880
7.850
0.115
TiO₂
0.520
0.534
0.012
Fe₂O₃ tot
15.750
15.540
0.206
MnO
0.221
0.215
0.005
L.O.I.
0.360
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Trace elements [µg/g]
CRB
RV
1sRV
Z-Score
Ba
572.00
550.00
17.00
Ce
101.00
93.00
3.70
Co
54.00
38.00
1.80
Cr
9.00
10.70
0.60
Cu
162.00
161.00
6.00
Ga
28.00
24.10
1.20
Hf
6.00
7.90
0.50
La
42.00
40.90
1.90
Nb
27.00
29.20
1.40
Nd
48.00
51.40
2.30
Ni
35.00
32.10
1.10
Pr
9.00
11.90
0.70
Rb
34.00
35.00
1.70
Sm
7.00
11.00
0.60
Sn
7.00
2.60
0.20
Sr
475.00
482.00
6.40
Th
3.60
3.98
0.26
V
385.00
392.80
12.80
Y
37.00
39.90
1.80
Zn
131.00
141.50
5.40
Zr
293.00
310.10
10.50
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
