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2002 - XRF Round-robin test GeoPT10 - CH-1, marines Sediment
Organizer
International Association of Geoanalysts and Geostandards Newsletter - GeoPT10
Material
CH-1, marine sediment
Literature
Preliminary Report - GeoPT10 Proficiency Testing Round
Download
Major elements [wt %]
CRB
RV
1sRV
Z-Score
Na₂O
2.420
2.432
0.024
---
MgO
2.150
2.178
0.014
---
Al₂O₃
12.170
12.220
0.021
---
SiO₂
44.360
44.650
0.086
---
P₂O5
0.126
0.127
0.001
---
K₂O
2.230
---
---
---
CaO
13.120
13.276
0.040
---
TiO₂
0.617
0.614
0.003
---
Fe₂O₃ tot
4.470
4.468
0.017
---
MnO
0.338
0.305
0.002
---
Trace elements [µg/g]
CRB
RV
1sRV
Z-Score
Ba
434.00
491.00
4.70
---
Br
103.00
98.70
2.60
---
Co
7.00
12.50
0.03
---
Cr
61.00
60.60
1.30
---
Cu
25.00
23.05
1.05
---
Ga
13.00
1,536.00
0.21
---
La
26.00
31.10
0.41
---
Mo
2.00
1.37
0.09
---
Nb
1.00
12.80
0.27
---
Nd
15.00
26.60
0.32
---
Ni
41.00
43.80
0.70
---
Pb
12.00
20.15
0.39
---
Rb
94.00
107.00
0.90
---
Sr
460.00
502.00
4.00
---
Th
12.00
11.87
0.20
---
U
2.50
2.62
0.07
---
V
77.00
87.60
1.40
---
Y
19.00
22.92
0.39
---
Zn
92.00
94.20
1.10
---
Zr
126.00
133.70
2.00
---
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
