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Round robin tests XRF-analysis XRF Round-robin test NRCGA-CAGS, China - Marines Sediment GSMS-2

Study organized by:
National Research Center for Geoanalysis - Chinese Academy of Geological Sciences
Material of proficiency test:
GBW 07315 (GSMS-2, Marines Sediment)
Study finished:
2010 - 11
Literature:
Zertifikat Ringversuchsveranstalter

major elements [wt %]

CRBRV1sRVZ-Score
Na₂O4,4404,4300,200
MgO2,9903,0200,100
Al₂O₃11,41011,4100,220
SiO₂50,70051,1000,600
P₂O50,4800,4800,030
SO₃0,4600,630 
K₂O2,2402,3200,110
CaO5,6105,7400,220
TiO₂0,5900,6100,030
Fe₂O₃ tot5,8505,9300,160
MnO0,5720,5900,030
L.O.I.*14,07013

trace elements [µg/g]

CRBRV1sRVZ-Score
As5,007,100,60
Ba3194,003100,00100,00
Br160,00145,006,00
Cd0,400,30 
Ce78,0082,006,00
Cl [%]2,503,90 
Co82,0081,006,00
Cr59,0059,006,00
Cu371,00357,0010,00
F [%]0,1260,110,01
Ga18,0018,001,00
Hf3,303,600,40
Hg0,830,950,09
La72,0062,004,00
Mo16,0014,001,00
Nb12,0011,001,00
Nd55,0075,004,00
Ni157,00167,0012,00
Pb28,0037,004,00
Pr14,0017,001,00
Rb71,0073,005,00
Sm8,0018,001,00
Sr304,00298,0023,00
Th8,0011,001,00
U1,502,000,50
V92,00101,008,00
Y89,0098,004,00
Zn127,00137,0015,00
Zr123,00140,008,00

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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