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Determination of Acrolein, Acrylonitrile and Acetonitrile in Solid Wastes by GC-Static Headspace Method
Pages: 114-116
Year: Issue:  7
Journal: Environmental Science and Management

Keyword:  固体废物顶空气相色谱法丙烯醛丙烯腈乙腈;
Abstract: 采用静态顶空-气相色谱法测定固体废物中丙烯醛、丙烯腈和乙腈的含量.着重讨论了顶空平衡温度、平衡时间等因素对三种物质测定结果的影响,并优化了试验参数.在优化的实验条件下,丙烯醛、丙烯腈、乙腈及溶剂甲醇能完全分离,校准曲线线性范围可达1.00到100 mg/kg,方法检出限分别为0.044、0.034和0.035 mg/kg,实际样品加标回收率在90% ~ 109%之间,相对标准偏差为3.3% ~8.6%.
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