過硫酸銨是一種白色、無味晶體，常作強氧化劑使用，(NH4)2S2O8無色單斜晶體，有時略帶淺綠色，比重1.982，在120攝氏度分解，放出氧氣，生成焦硫酸銨(NH4)2S2O7。干燥時穩定，含水時逐漸分解，放出氧氣和臭氧。溶于水，加熱即分解。用作試劑、氧化劑、脫臭劑、漂白劑等。由濃硫酸銨溶液電解氧化后結晶而制得也可用作單體聚合引發劑。它幾乎不吸潮，由于能達到很高的純度而具有特別好的穩定性，便于儲存。另外，它還具有使用方便、等優點。用途：過硫酸銨是乳膠或丙烯酸單體聚合液、醋酸乙烯、氯乙烯等產品的引發劑，同時也是苯乙烯、丙烯腈、丁二烯等膠體發生共聚作用的引發劑。作為一種強氧化劑有以下用途：
Ammonium persulfate is a white, odorless crystal, often used as a strong oxidant. (NH4) 2S2O8 colorless monoclinic crystal, sometimes slightly greenish, with a specific gravity of 1.982, decomposes at 120 degrees Celsius, releases oxygen, and generates ammonium pyrosulfate (NH4) 2S2O7. It is stable when it is dry, and gradually decomposes when it contains water, releasing oxygen and ozone. Dissolve in water and decompose when heated. Used as reagent, oxidant, deodorant, bleach, etc. It can also be used as initiator for monomer polymerization. It hardly absorbs moisture, and has excellent stability and is convenient for storage because of its high purity. In addition, it also has the advantages of convenient use and safety. Use: ammonium persulfate is the initiator of latex or acrylic monomer polymerization solution, vinyl acetate, vinyl chloride and other products, and is also the initiator of copolymerization of styrene, acrylonitrile, butadiene and other colloids. As a strong oxidant, it has the following uses:
(1)用于金屬表面的清潔和酸洗。
(1) For cleaning and pickling of metal surfaces.
(2)用于加快低濃度福爾馬林粘合劑的處理過程。
(2) It is used to speed up the treatment process of low concentration formalin adhesive.
(3)是淀粉的調節劑，并應用于粘和劑和涂料中。
(3) It is a regulator for the production of starch and is used in the production of adhesives and coatings.
(4)用于硫酸銨的精制。
(4) Used for refining ammonium sulfate.
(5)是染發劑的基本成分之一，起脫色作用。
(5) It is one of the basic components of hair dyes and plays a role in decolorization.
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