ammonium persulfate

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ammonium persulfate

[ə′mōn·yəm pər′səl‚fāt]
(inorganic chemistry)
(NH4)2S2O8 White crystals which decompose on melting; soluble in water; used as an oxidizing agent and bleaching agent, and in etching, electroplating, food preservation, and aniline dyes.
References in periodicals archive ?
The most frequently used process is based on ammonium peroxydisulfate in an acid environment (HCl) [1, 9, 12-15].
For aniline and 3-ABA polycondensation, a solution of ammonium peroxydisulfate (Aldrich) 0.
Polyaniline was synthesized by chemical polymerization of aniline hydrochloride using ammonium peroxydisulfate as the oxidizing agent.
16], 1 g of ammonium peroxydisulfate (APODS) in powder form is added every 10 min during etching in order to eliminate the formation of hillocks.
The dispersion was cooled ([sim]0[degrees]C), and a solution of ammonium peroxydisulfate (15 g dissolved in 50 g water) was added dropwise.
A color change to pale blue is observed already during the addition step of the ammonium peroxydisulfate (APS), contrary to an induction time of [sim]2 h in ordinary anilinium-DBSA polymerization.