The appearance of sodium persulfate is white crystalline powder, which is easily soluble in water and can accelerate decomposition in humidity and high temperature; It can be decomposed by ethanol and silver ions, and the solubility in water is 549g/l at 20 ℃; Sodium persulfate is also prone to deliquescence. In wet air and high temperature, it can accelerate the decomposition of sodium persulfate, release oxygen and become sodium pyrosulfate.

過硫酸鈉用途主要有哪些

What are the main uses of sodium persulfate

過硫酸鈉溶液呈酸性反應，能被醇和銀離子分解，還能與可燃物或易氧化物發生燃燒，并能助燃、助長火勢，劇烈時甚發生爆炸。存放時會慢慢分解，過硫酸鈉溶液在室溫下已有明顯分解，具有強氧化性。

Sodium persulfate solution has an acidic reaction, can be decomposed by alcohol and silver ions, can also burn with combustibles or easy oxides, and can support combustion, contribute to fire, and even explode when it is violent. It will decompose slowly during storage. Sodium persulfate solution has been significantly decomposed at room temperature and has strong oxidation.

那么,過硫酸鈉用途都有哪些呢？

So, what are the uses of sodium persulfate?

過硫酸鈉用途主要用作漂白劑、氧化劑、乳液聚合促進劑。還可用于照相業的廢液處理，用作印刷電路板表面金屬的軟蝕劑及紡織用脫漿劑、硫化染料發色劑等。用作油井壓裂液的破膠劑、電池去極化劑及有機高分子乳化聚合引發劑。照相工業用于膠片顯影、定影劑;還可用作廢液處理劑、金屬表面處理劑、印刷電路版的蝕刻劑等。

Sodium persulfate is mainly used as bleaching agent, oxidant and lotion polymerization promoter. It can also be used for the treatment of waste liquid in the photographic industry, as a soft etchant of metal on the surface of printed circuit boards, as a desizing agent for textiles, a sulfur dye chromogenic agent, etc. It is used as gel breaker of oil well fracturing fluid, battery depolarizer and initiator of organic polymer emulsion polymerization. In the photographic industry, it is used as film developer and fixer; It can also be used as waste liquid treatment agent, metal surface treatment agent, etching agent of printed circuit board, etc.

如存儲不當，會導致過硫酸鈉用途大大降低，所以過硫酸鈉應儲存于陰涼、干燥、通風良好的庫房。遠離火種、熱源。庫房溫度不超過30℃，相對濕度不超過80%。使用完后包裝要密封，要與還原劑、活性金屬粉末、堿類、醇類等分開存放，切忌混儲。

Improper storage will greatly reduce the use of sodium persulfate, so sodium persulfate should be stored in a cool, dry and well ventilated warehouse. Keep away from kindling and heat sources. The temperature in the warehouse shall not exceed 30 ℃, and the relative humidity shall not exceed 80%. After use, the package should be sealed and stored separately from reductants, active metal powders, alkalis, alcohols, etc. do not mix them.

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