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更新 2013-09-04 09:37
 

梁笑

個(gè)人會(huì)員第13年
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  • 梁笑 (女士)  
詳細(xì)說明

過禁發(fā) 禁發(fā) 硫酸鉀,無機(jī)化合物,白色結(jié)晶,無氣味,有潮解性。助燃,具刺激性。主要用作漂白劑、還原劑、照相藥品、分析試劑、聚合促進(jìn)劑等。
性狀:無色或白色結(jié)晶。無氣味。能逐漸分解失去有效氧,濕氣中能促使其分解,高溫時(shí)分解較快,在約100℃時(shí)全部分解。溶于約50份水(40℃時(shí)溶于25份水),不溶于乙醇,水溶液呈酸性。相對(duì)密度2.477。有強(qiáng)氧化性。與有機(jī)物摩擦或撞擊能引起燃燒。有強(qiáng)刺激性
用途:分析試劑。氧化劑。聚合反應(yīng)引發(fā)劑。照相沖洗(除去硫代禁發(fā) 禁發(fā) 硫酸鹽)
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