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ammonium persulfate

   Also found in: Wikipedia 0.01 sec.
ammonium persulfate [ə′mōn·yəm pər′səl‚fāt]
(inorganic chemistry)
(NH4)2S2O8White 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.


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It is comprised of a peroxide-based developer component containing, by weight, approximately 6-12% hydrogen peroxide; a powder activator component comprised of 40-80% by weight of an alkali metal persulfate selected from the group consisting of sodium persulfate, potassium persulfate and ammonium persulfate, an alkalizing agent component in an aqueous vehicle comprised of 3-25% of an alkalizing agent by weight; and a colorant present in an amount of from 0.
EXPERIMENTAL PART Materials Acrylic acid monomer, magnesium hydroxide, and the initiator ammonium persulfate were purchased from Sigma and used without further purification.
The polymerization temperature was 80[degrees]C and the initiator used was ammonium persulfate.
 
 
 
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