Monitoring VOCs in tap water, drinking water, groundwater, mineral water and industrial waste water using Purge and Trap technique coupled with Gas Chromatography-Mass Spectrometry

• Main Authors: Y. H. Jermiah Shen, 沈英宏
• Other Authors: J. C. Gaston Wu
• Format: Others
• Language: zh-TW
• Published: 1999
• Online Access: http://ndltd.ncl.edu.tw/handle/28692525160191484071

碩士 === 國立臺灣師範大學 === 化學研究所 === 87 === Combination of purge and trap system with GC-MS supplies a good analytical method with sufficient sensitivity and structural recognition capability for accurate and precise determination of volatile organic compounds (VOCs) in varieties of water sample. Wide applications of VOCs are known in different industrial and commercial sectors, even in household areas. Many of VOCs are proved to be toxic and carcinogenic. It is the goal of this study to investigate the feasibility of using purge and trap system coupled with GC-MS for analyzing 60 VOCs in different types and sources of water sample. Samples including tap water, mineral water, ground water and industrial waste water. MS library from NIST (National Institute of Standards and Technology) is used for MS structural confirmation purpose with standard comparison technique. SIM (Selected Ion Monitoring mode) is used for quantitation purpose with detection limits at sub-ppb range. Varies types of VOCs are found to exist in different samples. Results of this study indicate that there is a strong need for the enforaement of VOC monitoring work on either regular or non-regular scheme for our water resources to enh