Round-robin test GeoPT6A - CAL-S, Limestone - CRB GmbH
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Round robin tests XRF-analysis XRF Round-robin test GeoPT6b - CAL-S, Limestone

Study organized by:
International Association of Geoanalysts and Geostandards Newsletter - GeoPT6b
Material of proficiency test:
CAL-S, Limestone
Study finished:
2000 - 2
Literature:
Preliminary Report - GeoPT6 Proficiency Testing Round

major elements [wt %]

CRBRV1sRVZ-Score
Na₂O0,0300,0300,012
MgO0,4300,4150,053   
SiO₂0,0600,1080,01   
CaO55,53055,8901,280

trace elements [µg/g]

CRBRV1sRVZ-Score
Cr4,003,901,00
Sr249,00249,0011,00
Zn10,0015,402,90

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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