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Round robin tests XRF-analysis XRF Round-robin test GeoPT15 - MSAN, Ocean Floor Sediment

Study organized by:
International Association of Geoanalysts and Geostandards Newsletter - GeoPT15
Material of proficiency test:
MSAN, Ocean Floor Sediment
Study finished:
2004 - 8
Literature:
Preliminary Report - GeoPT15 Proficiency Testing Round

major elements [wt %]

CRBRV1sRVZ-Score
Na₂O4,2504,2200,070---
MgO3,6603,6800,060---
Al₂O₃15,47015,7000,210---
SiO₂54,15054,7300,600---
P₂O50,2630,2600,006---
SO₃0,142---  ---
K₂O1,4001,4100,030---
CaO5,6305,5300,090---
TiO₂1,1201,1100,020---
Fe₂O₃ tot8,2208,0600,120---
MnO0,1430,5600,004---
L.O.I.4,490------

trace elements [µg/g]

CRBRV1sRVZ-Score
As5,007,300,40---
Ba286,00273,009,40---
Co21,0023,701,20---
Cr69,0077,403,20---
Cu55,0059,402,60---
Ga16,0017,600,90---
Nb6,006,250,38---
Ni29,0029,001,40---
Pb21,0017,400,90---
Rb28,0021,901,60---
Sr381,00361,40101,90---
V216,00197,907,10---
Zn87,0092,603,70---
Zr132,00139,705,30---

Legend

CRB
results CRB
cooperative test
results collaborative study
1s-RV
standard deviation collaborative study
Z-Score
Difference of measured value from mean study
*
Value not certified

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