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Pehea e hana like ai ka sodium sulfate a me ka sodium sulfite anhydrous?

Ka manawa: 2021-08-24 Nā Hits: 63

ʻO ka sodium sulphate he keʻokeʻo, ʻaʻala ʻole, ʻona ʻawaʻawa a i ʻole ka pauka, hiki ke komo maʻalahi i ka lewa a lilo i ka sodium sulphate wai.

ʻO ka sodium sulphate ka mea maʻalahi a hiki ke hoʻohana ʻia i ka hana ʻana i ke aniani wai, ke aniani, ka enamel, ka pulp pepa, ka mea hoʻohuihui refrigerant, ka mea holoi, desiccant, dye diluent, dissecting chemical reagent, pharmaceuticals, etc.

ʻO ka sodium sulfite anhydrous he pauka keʻokeʻo keʻokeʻo, hiki ke hoʻoheheʻe ʻia i ka wai (ma 0 ℃, 12.54g / 100ml wai; ma 80 ℃, 283g / 100ml wai), ʻo ka solubility kiʻekiʻe e pili ana i 28% ma 33.4 ℃, ʻo ka wai wai ka alkaline, ka ʻO ka waiwai PH ma kahi o 9 ~ 9.5. Hiki ke hoʻoheheʻe ʻia i ka waiʻona, ʻaʻole hiki ke hoʻoheheʻe ʻia i ka wai chlorine, ammonia. He mea maʻalahi i ka sodium sulphate i ka ea, a decomposed i ka sodium sulphide ma ke kiʻekiʻe wela. He mea hoʻemi ikaika ia, a hiki ke hoʻohana ʻia me ka sulfur dioxide e hana ai i ka sodium bisulphite, a hana pū me nā waikawa ikaika e hana i ka paʻakai pili.

Hiki ke hoʻohui ʻia me ka waikawa sulfuric e hana i SO2 Na2SO3 + H2SO4 = Na2SO4 + H2O + SO2↑

ʻAʻohe hopena kemika o ka sodium sulphate a me ka sodium sulphite anhydrous.


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