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Round robin tests XRF-analysis XRF Round-robin test PRIS - PRIS S-1, Estuarine Sediment

Study organized by:
Postgraduate Resaerch Institute for Sedimentology (PRIS), Whiteknights, England
Material of proficiency test:
Estuarine Sediment PRIS S-1
Study finished:
1997 - 10
Literature:
Ergbnisprotokoll und Diskette von 08/1998

major elements [wt %]

CRBRV1sRVZ-Score
Na₂O1,8001,8500,251
MgO2,6202,6800,173
Al₂O₃14,11013,7800,211
SiO₂47,56047,6901,023
P₂O50,2490,2600,037
SO₃0,3500,4300,062
K₂O2,8202,7500,174
CaO7,1207,2300,402
TiO₂0,7500,7600,044
Fe₂O₃ tot5,9405,6701,340
MnO0,0980,0980,007

trace elements [µg/g]

CRBRV1sRVZ-Score
As28,0019,003,90
Ce56,0069,009,30
Co18,0019,004,00
Cr11,00105,0018,40
Cu21,0038,006,20
Hf3,504,100,60
La42,0036,004,10
Ni48,0047,008,30
Pb66,0084,0021,20
Rb127,00124,0011,00
Sr242,00253,0025,50
V117,00115,0019,60
Zn277,00267,0027,60
Zr138,00134,0038,80

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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