… or alkaline-earth metals; rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed; mercury. …
Explanatory notes
… or alkaline-earth metals; rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed; mercury. … lanthanons, yttrium and various impurities (up to 5 % iron, traces of silicon, calcium, aluminium). “Mischmetal” is used … tin, bismuth) by filtration, distillation in a vacuum, and treatment with dilute nitric acid. Mercury is a very …