ammonium persulfate

noun

Definition of ammonium persulfate

:a colorless crystalline salt (NH4)2S2O8 used as an oxidizing agent and for improving dense photographic negatives

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First Known Use of ammonium persulfate

1891


potassium persulfate

noun

Definition of potassium persulfate

:a crystalline salt K2S2O8 used chiefly in oxidizing and bleaching and as a promoter of polymerizations (as in the manufacture of GR-S rubber)

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