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Round robin tests XRF-analysis XRF Round-robin test GeoPT13 - Loess

Study organized by:
nternational Association of Geoanalysts and Geostandards Newsletter - GeoPT13
Material of proficiency test:
Loess
Study finished:
2003 - 8
Literature:
Preliminary Report - GeoPT13 Proficiency Testing Round

major elements [wt %]

CRBRV1sRVZ-Score
Na₂O1,1601,0580,021---
MgO2,9502,9000,049---
Al₂O₃6,1206,2000,094---
SiO₂53,41053,2400,560---
P₂O50,1450,1300,004---
K₂O1,3601,3000,025---
CaO16,65016,3100,210---
TiO₂0,4370,4230,010---
Fe₂O₃ tot2,1302,1000,038---
MnO0,0700,0640,002---

trace elements [µg/g]

CRBRV1sRVZ-Score
Ba230,00201,007,21---
Ce47,0053,002,32---
Co10,005,950,36---
Cr112,00105,704,20---
Cu12,0011,310,63---
Ga5,807,080,42---
Hf8,009,100,52---
Nb7,508,600,10---
Ni23,0023,301,20---
Pb12,0011,300,63---
Rb53,0051,202,33---
Sr304,00279,009,50---
V46,0037,602,45---
Y47,0047,101,74---
Zn36,0034,401,60---

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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