采用USEPA方法OIA1677和FlowSolution®IV测量有效的氰化物
这里描述了按照USEPA方法OIA-16771-4，通过价位交换、流动注射分析(FIA)和安培计检测有效氰化物的方法。这个方法用于USEPA关于清洁水法案，资源保护与回收法案，全面环境响应，补偿与责任法案和安全饮用水法案的数据采集和检测程序，采用这个方法检测水中的氰化物离子(CN-)、氰化氢(HCN(aq))，以及相关锌、铜、镉、汞、镍和银的氰络合物。氰化物广泛应用于电镀和金属采矿操作过程中。它们也应用于合成纤维和塑料的生产，并作为除草剂和农业化学物质。氰化物按照清洁水法案1的307(a)(1)节，是法规限制的毒性污染物，是来自于毒性污染物列表2中的主要污染物。OI分析仪器公司的Flow Solution Ⅳ(FS-Ⅳ)，是一台高分析能力的自动离子分析系统，并且采用FIA技术应用于这个方法。采用增强的扩展范围(ER)TM检测技术，允许一条校准曲线扩展到3-4个数量级，这样明显减少了超标样品必须重复分析的次数。系统的WinFL......阅读全文
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