一、过硫酸钠：也叫高硫酸钠。外观是白色晶状粉末，无臭。能溶于水。常被用作漂白剂、氧化剂、乳液聚合促进剂。
1、 Sodium persulfate: also known as sodium persulfate. The appearance is white crystalline powder, odorless. Soluble in water. It is often used as bleaching agent, oxidant and lotion polymerization accelerator.
1、用于照相业的废液处理，用作印刷电路板表面金属的软蚀剂及纺织用脱浆剂、硫化染料发色剂等。
1. It is used for the treatment of waste liquid in the photographic industry, as a soft corrosion agent for the metal on the surface of printed circuit boards, as a desizing agent for textiles, and as a colorant for vulcanized dyes.
2、用作油井压裂液的破胶剂、电池去极化剂及有机高分子乳化聚合引发剂。照相工业用于胶片显影、定影剂;还可用作废液处理剂、金属表面处理剂、印刷电路版的蚀刻剂等。
2. It is used as a gel breaker for oil well fracturing fluid, a battery depolarizer and an organic polymer emulsion polymerization initiator. Photographic industry is used for film development and fixing agent; It can also be used as waste liquid treatment agent, metal surface treatment agent, etchant for printed circuit board, etc.
3、用作漂白剂、氧化剂、乳液聚合促进剂。
3. It can be used as bleaching agent, oxidant and accelerator for lotion polymerization.
4、用于医药、漂白、电池，并用作化学试剂。
4. It is used in medicine, bleaching, batteries and chemical reagents.
二、过硫酸钾：这是一种无机化合物，外观为白色结晶状，无气味，有潮解性。助燃，具刺激性。常被用作漂白剂、强氧化剂、照相药品、分析试剂、聚合促进剂等。
2、 Potassium persulfate: This is an inorganic compound with white crystalline appearance, odorless and deliquescence. It is combustion-supporting and irritant. It is often used as bleach, strong oxidant, photographic medicine, analytical reagent, polymerization accelerator, etc.
这两种过硫酸盐无论在外观，性状或用途上都有共通的地方，而这两者的主要区别在于作为聚合促进剂时的区别。
The two persulfates have similarities in appearance, properties and use, and the main difference between them is the difference when they are used as polymerization promoters.
虽然这它们都可以作为聚合促进剂，但是二者还是有区别的：因为过硫酸钾的的引发效果较好，所以过硫酸钾多用于实验室中；而过硫酸钠相对来说其引发效果要差一些，但是其要低，所以多用于工业中。
Although both of them can be used as polymerization promoters, there are differences between the two: potassium persulfate is mostly used in the laboratory because of its better initiation effect; However, sodium persulfate has relatively poor initiating effect, but its price is lower, so it is mainly used in industrial production.
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