Si – 10 ppm;
K – Not Specified
Na – Not Specified;
Fe – 1 ppm;
Ni - 5 ppm;
Cr – 5 ppm;
Ca – 5 ppm;
Mg – 5 ppm;
Ti – 5 ppm;
Cu –5 ppm;
Zn – 5 ppm;
Zr – 5 ppm;
Y – 5 ppm;
Mn – 5 ppm;
Ga –10 ppm;
B – 3 ppm;
Co – 3 ppm;
Li – Not Specified.
Bauxite/AL(OH)3/Al2O3