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如何测氨水含量

更新时间: 2020-09-24 00:00:00     

可以采用化学滴定方法测定,用盐酸滴,目前一般实验室滴定分析采用的是人工滴定法,它是根据指示剂的颜色变化指示滴定终点,然后目测标准溶液消耗体积,计算分析结果,自动电位滴定法是通过电位的变化,由仪器自动判断终点,为了比较仪器和人工滴定方法的测定结果,选用了酸价和过氧化值两个指标,分别用自动电位滴定法和人工滴定法进行样品分析。

关键词: 如何 氨水 含量

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