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Round robin tests XRF-analysis XRF Round-robin test NRCGA-CAGS, China - Marines Sediment ES-ZJ1

Study organized by:
National Research Center for Geoanalysis - Chinese Academy of Geological Sciences
Material of proficiency test:
ES-ZJ1 (Marines Sediment)
Study finished:
2010 - 11
Literature:
Zertifikat Ringversuchsveranstalter

major elements [wt %]

CRBRV1sRVZ-Score
Na₂O1,3502,5400,050
MgO1,7301,7600,030
Al₂O₃15,72015,6500,130
SiO₂59,90059,9000,180
P₂O50,1310,1300,004
SO₃0,4400,470 
K₂O2,4202,4700,040
CaO2,0502,0700,020
TiO₂0,99410,010
Fe₂O₃ tot.6,4106,5700,090
MnO0,0940,0900,002
L.O.I.*8,630  

trace elements [µg/g]

CRBRV1sRVZ-Score
As30,0018,900,10
Ba335,00335,006,00
Br54,0055,60 
Ce50,0049,002,20
Cl [%]0,9650,94 
Co16,0016,700,50
Cr89,0080,603,00
Cu39,0037,000,60
F [%]0,0890,09 
Ga20,0022,001,30
Ge]1,201,10 
Hf7,908,100,50
La57,0049,502,20
Nb16,0022,103,00
Nd53,0040,502,00
Ni27,0035,500,60
Pb58,0042,100,80
Pr16,0010,700,40
Rb139,00137,001,00
Sm16,007,900,20
Sr127,00124,002,00
Th25,0020,001,20
U4,004,000,10
V120,00120,003,00
Y38,0037,901,70
Zn119,00115,002,00
Zr340,00317,0010,00

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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