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工业废水中硫酸根含量测定

Resources Environment & Engineering(2019)

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Abstract
采用比浊法测定工厂废水中硫酸根含量,分别就聚乙烯醇、 乙醇、 甘油、 聚乙烯醇和乙醇混合溶剂作分散剂对测量的影响进行试验,结果表明:采取聚乙烯醇和乙醇混合溶剂,波长420 nm,硫酸根5~40 mg/L,方法检出限为1.054 mg/L、 加标回收率为95.75% ~107.86%,该方法具有精密度好、 准确度高、操作简便等优点.
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