Answers are grounded in this paper and cite their sources.
Nitrate was photocatalytically reduced to nitrogen molecules with a high selectivity in a basic aqueous suspension of palladium and copper-loaded titanium(IV) oxide powders in the presence of oxalate anion as a hole scavenger.
No takes yet. Share an insight, caveat, or question.
Kominami et al. (2005) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: