Assertion: periclase | /r/CapableOf | contain in weight per cent
Facets:
Source sentences:
text: This process involves oxidation of the impurities during air melting of the scrap iridium in a periclase crucible (periclase contains, in weight per cent, 96 MgO, 1 A1 2 O 3 , 1.2 CaO, 1 Fe 2 O 3 and 0.8 SiO 2 ).