… isotopes ( heading 28.44 ) and stable isotopes ( heading 28.45 ). An alphabetical list of the various known elements, … Re 75 Base metal (81.12). Rhodium........... Rh 45 Precious metal (71.10). Rubidium.......... Rb 37 Alkali …
… kraft paper and paperboard weighing 225 g/m 2 or more : 4804.51 - - Unbleached 4804.52 - - Bleached uniformly throughout the mass and of … consists of wood fibres obtained by a chemical process 4804.59 - - Other The expression “kraft paper and …