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重铬酸钠 buy in Xining
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重铬酸钠

重铬酸钠

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China, Xining
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Description
红色至桔红色结晶。略有吸湿性。100℃时失去结晶水,约400℃时开始分解。易溶于水,不溶于乙醇,水溶液呈酸性。1%水溶液的pH为4,10%水溶液 的pH为3.5。相对密度2.348。熔点356.7℃(无水品)。有强氧化性,与有机物摩擦或撞击能引起燃烧。中等毒,半数致死量(大鼠,经 口)50mg/kg(无水品)。经流行病学调查表明,对人有潜在致癌危险性。有腐蚀性。
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重铬酸钠
重铬酸钠
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