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Round robin tests XRF-analysis XRF Round-robin test GeoPT14 - OshBO, Alkaline Granite

Study organized by:
International Association of Geoanalysts and Geostandards Newsletter - GeoPT14
Material of proficiency test:
OshBO, Alkaline Granite
Study finished:
2004 - 1
Literature:
Preliminary Report - GeoPT14 Proficiency Testing Round

major elements [wt %]

CRBRV1sRVZ-Score
Na₂O5,3705,4300,020---
MgO0,010--------- 
Al₂O₃15,89016,0404---
SiO₂71,02071,9500,590---
P₂O50,145---------   
K₂O3,5803,5900,010---
CaO0,3900,3920,003---
TiO₂0,009----------
Fe₂O₃ tot.0,4800,4720,006---
MnO0,1780,1600,001---
L.O.I.1,0900,860------

trace elements [µg/g]

CRBRV1sRVZ-Score
Ba20,0013,000,50---
Cr112,00105,704,20---
Cu12,0011,310,63---
F19800,00--------- 
Sr230,00195,007,00---

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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