Assertion: urea | /r/HasProperty | oxidized to toxic n 2 h
Facets:
value: on ti/iro 2 electrodes
type: LOCATION
Source sentences:
text: It was found that the oxidation of urea over BDD electrodes was complete and the products were inorganic ions, such as ClO 4 − and NO 3 − ions, while on Ti/IrO 2 electrodes, urea was oxidized to NO 2 − ions and toxic N 2 H 4 .