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Round robin tests XRF-analysis XRF Round-robin test NRCGA-CAGS, China - Marines Sediment GSMS-5

Study organized by:
National Research Center for Geoanalysis - Chinese Academy of Geological Sciences
Material of proficiency test:
GBW 07335 (GSMS-5, Marines Sediment)
Study finished:
2010 - 11
Literature:
Zertifikat Ringversuchsveranstalter

major elements [wt %]

CRBRV1sRVZ-Score
Na₂O2,1002,3000,200
MgO2,5002,5100,090
Al₂O₃13,32013,1000,200
SiO₂59,40059,6000,200
P₂O50,1220,1200,010
SO₃0,2500,2200,010
K₂O2,7002,7100,060
CaO4,7804,8000,200
TiO₂0,7000,7200,030
Fe₂O₃ tot5,2705,2000,200
MnO0,0770,0730,005
L.O.I.*8,540 

trace elements [µg/g]

CRBRV1sRVZ-Score
As13,008,00 
Ba407,00396,0019,00
Cd0,400,20 
Ce97,0078,004,00
Cl [%]1,051,040,06
Co16,0015,001,00
Cr83,0078,0010,00
Cu18,0018,004,00
F [%]0,087  
Ga17,0016,002,00
Hf5,005,000,40
La23,0038,002,00
Nb10,0013,700,80
Nd25,0032,602,30
Ni31,0036,005,00
Pb30,0025,004,00
Pr5,008,300,30
Rb118,00118,003,00
Sm5,006,200,30
Sr204,00193,008,00
Th13,0013,600,60
U1,802,700,40
V90,0095,009,00
Y24,0025,002,00
Zn85,0079,008,00
Zr181,00184,0024,00

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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