INORGANIC CHEMICALS, ORGANIC OR INORGANIC COMPOUNDS OF PRECIOUS METALS, OF RARE-EARTH METALS, OF RADIOACTIVE ELEMENTS OR OF ISOTOPES~Phosphides, whether or not chemically defined,excluding ferrophosphorus; other inor- ganic compounds (including distilled...

INORGANIC CHEMICALS, ORGANIC OR INORGANIC COMPOUNDS OF PRECIOUS METALS, OF RARE-EARTH METALS, OF RADIOACTIVE ELEMENTS OR OF ISOTOPES~Phosphides, whether or not chemically defined,excluding ferrophosphorus; other inor- ganic compounds (including distilled...