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Round robin tests XRF-analysis XRF Round-robin test GeoPT10 - CH-1, marines Sediment

Study organized by:
International Association of Geoanalysts and Geostandards Newsletter - GeoPT10
Material of proficiency test:
CH-1, marine sediment
Study finished:
2002 - 1
Literature:
Preliminary Report - GeoPT10 Proficiency Testing Round

major elements [wt %]

CRBRV1sRVZ-Score
Na₂O2,4202,4320,024---
MgO2,1502,1780,014---
Al₂O₃12,17012,2200,021---
SiO₂44,36044,6500,086---
P₂O50,1260,1270,001---
K₂O2,230---------
CaO13,12013,2760,040---
TiO₂0,6170,6140,003---
Fe₂O₃ tot4,4704,4680,017---
MnO0,3380,3050,002---

trace elements [µg/g]

CRBRV1sRVZ-Score
Ba434,00491,004,70---
Br103,0098,702,60---
Co7,0012,500,027---
Cr61,0060,601,30---
Cu25,0023,051,05---
Ga13,001536,000,21---
La26,0031,100,41---
Mo2,001,370,09---
Nb1,0012,800,27---
Nd15,0026,600,32---
Ni41,0043,800,70---
Pb12,0020,150,39---
Rb94,00107,000,90---
Sr460,00502,004,00---
Th12,0011,870,20---
U2,502,620,07---
V77,0087,601,40---
Y19,0022,920,39---
Zn92,0094,201,10---
Zr126,00133,702,00---

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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