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Round robin tests XRF-analysis XRF Round-robin test IRMA - GSPN-3, Manganese ore

Study organized by:
Institute of Rock and Mineral Analysis (IRMA) of the Chinese Academy of Geological Sciences
Material of proficiency test:
GSPN-3, marines Sediment, Manganerz
Study finished:
1995 - 11
Literature:
GEOSTANDARDS NEWSLETTERS, Vol. 19, No. 2, 1995, GEOSTANDARDS NEWSLETTERS, Vol. 22, No. 1, 1998

major elements [wt %]

CRBRV1sRVZ-Score
Na₂O3,9903,0400,338
MgO3,6203,5600,140
Al₂O₃5,1804,6700,280
SiO₂14,20012,1000,500
P₂O50,3100,3600,050
SO₃0,2300,2200,070
K₂O1,1901,1100,120
CaO2,4302,2200,200
TiO₂0,5800,5400,040
Fe₂O₃ tot4,5004,5800,290
MnO30,00031,9001,000

trace elements [µg/g]

CRBRV1sRVZ-Score
As37,0054,0010,00
Ba2600,002400,00200,00
Cd22,0023,003,00
Ce277,00249,0022,00
Cl7600,007700,00700,00
Co1800,001600,0090,00
Cr10,0019,005,00
Cu11600,0013300,001200,00
La123,00184,0013,00
Mo603,00485,0038,00
Nb19,0047,003,00
Ni14100,0010200,00800,00
Pb297,00709,0036,00
Rb10,0016,005,00
Sr503,00853,0073,00
V530,00452,0051,00
Zn1400,00910,00150,00
Zr260,00612,0032,00

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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