环境气氛中固相微萃取技术研究SOLID PHASE MICROEXTRACTION.PDF

CNIC-01653 CAEP-0115 环境气氛中固相微萃取技术研究 SOLID PHASE MICROEXTRACTION IN ENVIRONMENTAL ATMOSPHERE (In Chinese) 中国核情报 中心 China Nuclear Information Centre 101 CNIC-01653 CAEP-0115 环境气氛中固相微萃取技术研究 陶萍 韦力凡 谭云 （中国工程物理研究院结构力学研究所，绵阳，621900 ） 摘 要 固相微萃取是环境分析样品前处理的新技术，是分析环境气氛 中挥发性有机物质组份的先进的取样技术。在对该技术的原理、应 用资料调研基础上，选择了适合萃取气体中有机挥发物质的萃取 头，优选了固相微萃取装置。为考察萃取头的萃取效果，使用该装 置对环境气氛中有机挥发物质进行取样，在气相色谱－质谱仪上进 行定性检测，获得较好的效果。 关键词： 固相微萃取 有机挥发物 定性检测 102 Solid Phase Microextraction in Environmental Atmosphere (In Chinese) TAO Ping WEI Lifan TAN Yun (Institute of Structural Mechanics, CAEP, Mianyang, 621900) ABSTRACT Solid phase microextraction (SPME) is an advanced technique of sample pretreatment in environmental atmosphere analysis, i.e., a sampling method of extracting volatile organic compounds from environmental gas. According to the primary survey on the theory and application of SPME, a suitable extraction tip, i.e., a coated fused silica fiber, is selected to construct a SPME apparatus. This SPME apparatus is used to extract volatile organic compounds from environmental atmosphere and a qualitative detection is conducted in gas chromatography-mass spectrometer system. Good experimental results are obtained. Key words: SPME, Volatile organic compounds, Qualitative detection 103 前 言 目前，产品库存中微气氛环境中有机气体检测需要新的、适用的取样技术。传统的 管路控制取样装置对