Assertion: iron's form | /r/HasProperty | detected by infrared spectroscopy
Facets:
value: at 4 k
type: TEMPORAL
Source sentences:
text: However, one form of anionic [FeO 4 ]– with iron in its +7 oxidation state, along with an iron(V)-peroxo isomer, has been detected by infrared spectroscopy at 4 K after cocondensation of laser-ablated Fe atoms with a mixture of O 2