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Round robin tests XRF-analysis XRF Round-robin test NRCGA-CAGS, China - Marines Sediment MS-BH2

Study organized by:
National Research Center for Geoanalysis - Chinese Academy of Geological Sciences
Material of proficiency test:
MS-BH2 (Marines Sediment)
Study finished:
2010 - 11
Literature:
Zertifikat Ringversuchsveranstalter

major elements [wt %]

CRBRV1sRVZ-Score
Na₂O2,3102,4700,100
MgO1,5201,5300,020
Al₂O₃11,89011,7900,110
SiO₂70,20070,1600,160
P₂O50,0940,0950,003
SO₃0,1100,1100,010
K₂O2,6702,7100,030
CaO2,1802,1700,030
TiO₂0,4980,5000,010
Fe₂O₃ tot.3,6003,6300,040
MnO0,0560,0510,002
L.O.I.*4,610

trace elements [µg/g]

CRBRV1sRVZ-Score
As18,006,700,70
Ba487,00504,007,00
Br36,0036,50 
Cd0,400,100,02
Ce52,0056,001,50
Cl [%]0,5010,49 
Co10,009,700,30
Cr62,0052,903,40
Cu17,0016,101,10
F [%]0,0620,062 
Ga12,0013,700,80
Ge1,101,07 
Hf8,008,080,40
La37,0030,402,00
Nb8,009,801,10
Nd36,0027,702,70
Ni14,0022,200,40
Pb30,0021,000,90
Pr12,006,100,80
Rb101,00102,002,00
Sm16,004,500,10
Sr222,00187,004,00
Th14,009,600,50
U2,001,800,10
V63,0060,002,20
Y26,0025,800,80
Zn54,0052,701,00
Zr340,00339,006,00

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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