硫酸銅

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硫酸者,式CuSOA4也。可溶於水,溶液水色藍。無水者,色白,合五水,色乃藍,故曰藍礬。性有毒,不可食。

硫酸銅(CuSOA4),色藍,產於藍礬

可並硫酸氧化銅而得。亦可放銅金屬入熱濃硫酸取得。

金屬活性序前於者,皆可置換硫酸銅中之銅,故明本草有言云:膽礬者,化鐵為銅。

與鹼反應,生藍色之氫氧化銅沉澱也。若量多,沈之物溶。

云無水硫酸銅,與水色變,成藍。故今之化學家,以無水之硫酸銅驗也。

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分類:鹽