Explanatory notes
… Note to heading 26.06). The first stage of the extraction is designed to convert the bauxite into pure … cryolite (the latter is sodium aluminium fluoride, but it acts solely as a solvent). This electrolysis is carried out … etc.; they are often marketed under trade names which vary according to the country of origin. * * * The special …Legal note
… by weight Fe + Si (iron plus silicon) Other elements (1) , each 1 0.1 (2) (1) Other elements are, for example Cr, … substances in which aluminium predominates by weight over each of the other elements, provided that : …