spectral line standard peak counting time detection limit
Na2O Kα albite 80 s 140 ppm
Al2O3 Kα YAG garnet 60 s 90 ppm
MgO Kα diopside 80 s 80 ppm
SiO2 Kα wollastonite 60 s 110 ppm
K2O Kα orthoclase 120 s 90 ppm
CaO Kα diopside 120 s 60 ppm
Fe2O3 Kα hematite 140 s 210 ppm
MnO Kα bustamite 140 s 210 ppm
TiO2 Kα rutile 140 s 160 ppm
Cr2O3 Kα chromite 140 s 110 ppm
NiO Kα Ni-silicate 140 s 110 ppm
BaO Lα benitolite 140 s 280 ppm