Explanatory notes
… by flotation, magnetic separation or other mechanical or physical processes (except crystallisation), but not … by flotation, magnetic separation or other mechanical or physical processes (not including crystallisation). The … plasters (heading 25.20 ), quicklime (heading 25.22 ) and hydraulic cements (heading 25.23 ). (2) Specify conditions …Legal note
… by flotation, magnetic separation or other mechanical or physical processes (except crystallisation), but not …