423 / | HD | CHEMISTRY OF INORGANIC COMPOUNDS |
1 | DF | TREATING MIXTURE TO OBTAIN METAL CONTAINING COMPOUND {15} |
111 | DF | .~ Group IIIA metal or beryllium (Al, Ga, In, Tl, or Be) {9} |
115 | DF | .~.~ Forming compound containing plural metals {4} |
118.1 | .~.~.~ Aluminosilicate other than zeolite |