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Pretreatiment Method by Gas Suction for Determination of Cyanide
Author(s): 
Pages: 174-177
Year: Issue:  9
Journal: ENVIRONMENTAL SCIENCE AND MANAGEMENT

Keyword:  氰化物废水抽气预处理法;
Abstract: 作为水质全分析中的一项毒性含量指标,水中氰化物的测定是衡量水体中生物生存、人类饮用用水、工业生产用水安全的重要参数.但其含量监测方法水样预处理步骤繁琐、费时.论文提出用抽气预处理法测定氰化物,并通过对比试验证明,抽气法预处理法操作简便、省时、能耗小;通过在抽气过程中将整个装置处于常温负压条件下,基本解决了HCN外选、瓶爆裂等问题.论文除了对抽气法预处理一些操作条件进行了摸索并确定了最佳操作条件外还着重探计了抽气法对复杂水体,如地表水、工厂处理后废水的适用性.
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