Wiktionary
reducing agents
n. (reducing agent English)
Usage examples of "reducing agents".
She'd used copper again, with reducing agents in the melt to ensure a pure color.
I won't bother you with the formula, but you see gold can be made to dissolve in a mixture of hydrochloric and nitric acids, and reducing agents - sulphur dioxide or oxalic acid - precipitate the metal as a brown powder.
Its foods are, perhaps oxidizing agents instead of reducing agents.