释义 |
ferric chloride noun : a deliquescent salt FeCl3 that is obtained in anhydrous form (as by heating iron in chlorine) as dark crystals appearing red by transmitted light and green by reflected light, that forms several crystalline hydrates (as the yellow hexahydrate FeCl3.6H2O), and that is used chiefly as an oxidizing agent, as a catalyst, as an etching agent in photoengraving, as a coagulant in treating industrial wastes, and in medicine in a water solution or tincture usually as an astringent or styptic; iron trichloride |