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Round robin tests XRF-analysis XRF Round-robin test IRMA - GSMS-3, 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
Na₂O3,8503,7500,144
MgO2,0302,0400,080
Al₂O₃7,8807,7500,343
SiO₂31,62031,6300,524
P₂O50,3280,3300,015
SO₃0,6980,5100,200
K₂O1,6001,6000,132
CaO22,86022,4001,032
TiO₂0,3900,3800,032
Fe₂O₃ tot3,9303,7900,153
MnO0,4080,4000,016

trace elements [µg/g]

CRBRV1sRVZ-Score
As7,005,001,23
Ba2630,002500,00230,00
Ce54,0054,304,20
Cl21100,0032700,00563,00
Co52,0053,404,20
Cr44,0035,408,50
Cu248,00232,009,60
F1226,00700,00110,00
Ga11,0011,400,70
Hf2,002,400,34
La67,0044,103,70
Mo5,006,001,10
Nb11,007,201,00
Ni105,00107,0011,50
Pb25,0022,005,20
Rb46,0049,804,80
Sr618,00668,0072,00
Th7,607,100,60
U2,101,100,30
V68,0068,605,80
Y65,0069,307,30
Zn139,00140,0024,50
Zr97,0096,004,80

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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