585 / | HD | CHEMISTRY OF HYDROCARBON COMPOUNDS |
800 | DF | PURIFICATION, SEPARATION, OR RECOVERY {7} |
833 | DF | .~ By addition of extraneous agent, e.g., solvent, etc. {15} |
845 | DF | .~.~ Cu {3} |
846 | .~.~.~ Ammoniacal, e.g., Cu ammonium acetate (CAA), etc. {1} | |
847 | DF | .~.~.~.~> Triple-bond compound separated |