Assertion: iridium | /r/HasProperty | identified in black residue
Facets:
Source sentences:
text: Iridium and osmium were identified in the black residue remaining after dissolving platinum ore with aqua regia, a mixture of 25% nitric acid (HNO 3 ) and 75% hydrochloric acid (HCl).
text: Iridium and osmium were identified in the black residue remaining after dissolving platinum ore with aqua regia, a mixture of 25% nitric acid (HNO3) and 75%hydrochloric acid (HCl).