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Determination of tetrahydrofuran in urine by headspace solid-phase microextraction and gas chromatography
Author(s): 
Pages: 150-151
Year: Issue:  2
Journal: Chinese Journal of Industrial Hygiene and Occupational Diseases

Abstract: 目的 建立测定尿中四氢呋喃的顶空固相微萃取-气相色谱法.方法 以顶空固相微萃取技术处理尿样,用带氢焰离子化检测器的气相色谱仪测定尿中的四氢呋喃.通过对萃取头类型、萃取时间和温度、解吸温度和时间等影响萃取效率的因素的研究,获得了优化的试验条件.结果 在优化条件下,方法 的线性较好,样品的加标回收率为93.0%~100.8%,相对标准偏差为0.96%~3.85%,检出限可以达到0.5μg/L.结论 该...
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