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Round robin tests XRF-analysis XRF Round-robin test IRMA - GSMS-2, marines Sediment

Study organized by:
Institute of Rock and Mineral Analysis (IRMA) of the Chinese Academy of Geological Sciences
Material of proficiency test:
GSMS-2 (marines Sediment)
Study finished:
1995 - 11
Literature:
GEOSTANDARDS NEWSLETTERS, Vol. 19, No. 2, 1995, GEOSTANDARDS NEWSLETTERS, Vol. 22, No. 1, 1998

major elements [wt %]

CRBRV1sRVZ-Score
Na₂O4,5204,3700,303
MgO2,9103,0100,106
Al₂O₃11,25011,3700,335
SiO₂49,70050,7301,030
P₂O50,1730,4800,033
SO₃0,7600,6000,190
K₂O2,2402,2900,112
CaO5,6205,6750,279
TiO₂0,6000,6100,031
Fe₂O₃ tot5,9405,9500,202
MnO0,5830,5900,023

trace elements [µg/g]

CRBRV1sRVZ-Score
As11,008,201,90
Ba3243,003000,00360,00
Ce74,0080,805,50
Cl22700,0036500,006100,00
Co73,0082,006,00
Cr68,0058,007,50
Cu358,00359,0021,00
F1734,001000,00170,00
Ga17,0018,903,60
Hf3,003,600,38
La71,0060,307,80
Mo12,0013,901,40
Nb13,0011,002,40
Ni153,00166,0012,80
Pb41,0037,5011,00
Rb66,0072,605,50
Sr303,00298,0024,60
Th10,8011,801,40
U2,201,910,51
V98,00101,008,50
W10,005,500,50
Y102,0097,703,80
Zn145,00135,0019,00
Zr139,00139,008,70

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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