便携式气质联用仪在环境监测中的应用研究

Apply research of portable gas chromatography mass spectrometry in environmental monitoring

将便携式和台式气质联用仪的优缺点进行对比,便携式气质联用仪具有体积小、重量轻、可携带、环境适应性强、分析时间短等优点。对便携式气质联用仪在环境监测中的应用方案和特点进行归纳总结,并介绍仪器在其它领域的应用。指出便携式气质联用仪存在价格高,缺少水体和土壤的监测国标,半挥发性有机物监测技术不成熟等缺点;提出降低仪器价格,加快国标制定,加强半挥发性有机物监测技术开发等改进措施和建议。

The advantages and disadvantages of portable and desktop GC-MS are compared,the portable GC-MS has the advantages of small volume,light weight,portability,strong environmental adaptability and short analysis time.The application scheme and characteristics of portable GC-MS in environmental monitoring are summarized,and introduces its application in other fields.It is pointed out that the portable GC-MS instrument has some shortcomings,such as high price,lack of national standards for water and soil monitoring,immature semi volatile organic compounds monitoring technology.Some improvement measures and suggestions were put forward,such as reducing the price of instruments,speeding up the formulation of national standards,and strengthening the development of semi volatile organic compounds monitoring technology.