环境领域铊元素的分析技术研究进展EI北大核心CSCD

铊是一种剧毒的蓄积性重金属元素。伴随着含铊矿物资源的开发利用,铊向环境中的迁移已不容忽视,环境铊污染事件时有发生。铊的分析技术对铊污染的防治具有重要意义。环境领域铊的分析技术近年来也有了新的发展。重点对环境水体、土壤、大气中铊元素分析技术的近期发展进行了综述。在电感耦合等离子体-质谱(ICP-MS)、石墨炉原子吸收光谱(GF-AAS)法为主流分析手段的同时,随着铊新型富集技术的应用以及仪器性能的提升,环境铊分析技术呈现出高灵敏、高稳定性的趋势。针对环境领域铊元素分析技术的发展,提出环境样品铊的化学及赋存形态分析、铊的在线监测、与铊高效富集技术的联用以及环境固体废物中铊的分析是其重要的发展方向。

Study progess of analytical techniques for thallium in environmental area

Thallium is well-known as an accumulative heavy-metal element with high toxicity. With the wide use and exploration of mineral resources containing thallium,the release of thallium into the environment tends to be more serious. The events of thallium pollution sometimes occur,therefore, the analytical techniques of thallium are favorable for the prevention and treatment for the thallium pollution. In this paper,the developed analytical techniques for thallium in environmental water, soil and atmosphere were summarized. Generally speaking, inductively coupled plasma mass spectrometry (ICP-MS) and graphite furnace atomic absorption spectrometry (GF-AAS) are the main detection methods. With the application of the enrichment techniques based on novel materials and the development of the instruments, the trends of high sensitivity and stability are exhibited for thallium determination. As for the further development of the analytical techniques for thallium in environmental area, four further developing issues were put forward, such as the speciation of thallium, including both the chemical and existing states; the on-line thallium monitoring technique; the hyphenated techniques combined with enrichment methods with high performance and the determination of thallium in environmental wastes. © 2022, Youke Publishing Co.,Ltd. All rights reserved.