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1克萘乙酸对多少水

更新时间: 2020-10-31 00:00:00     

萘乙酸纯品为无色针状晶体,工业品为黄褐色针状晶体,难溶于冷水,20°C水中溶解度42mg/L,即1g萘乙酸需约23.8L水溶解。

计算过程为:1/(42/1000)=23.8。

萘乙酸溶于热水(溶解度不详),遇碱能成盐,盐类能溶于水,易溶于丙酮、乙醚、苯、乙醇和氯仿等有机溶剂,配制时可先用少量酒精溶解再加水稀释或先加少量水调成糊状再加适量水,然后加碳酸氢钠(小苏打)搅拌直至全部溶解。

关键词: 乙酸 多少

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