Assertion: osmium | /r/HasProperty | discovered by smithson tennant
Facets:
value: in a residue
type: OTHER
value: in 1804
type: TEMPORAL
value: in 1803ad
type: TEMPORAL
Source sentences:
text: Osmium was discovered by Smithson Tennant in 1804 in a residue left after dissolving crude platinum in aqua regia.
text: In 1803AD, Osmium was discovered by Smithson Tennant when dissolving an impure sample of platinum in aqua regia, a mixture of hydrochloric and nitric acids.
text: Osmium was discovered by Smithson Tennant in 1804 in a residue left after dissolving crude platinum in aqua regia.
text: Osmium was discovered by Smithson Tennant in 1804 in a residue left after dissolving crude platinum in aqua regia.