摘要
顶空气相色谱(headspace gas chromatography,简称HSGC)是将顶空样品预处理系统(headspace)和气相色谱结合使用的技术,具有简单、迅速、准确和自动化等优点,已经在商品检测、药品检测等常规检测中发挥重要作用。巧妙利用其顶空系统可以在化学分析测定中发挥更大的作用,能够测定挥发性化学物质的气液平衡常数(亨利常数)、无机盐的溶解度、高分子聚合过程单体含量等,还可解决化工工程样品分析中的复杂问题,以及应用于环境和其它工业过程化学成分含量的分析。
Several headspace gas chromatographic （HSGC） techniques that can determine not only volatile species content but also their vapor-liquor equilibrium partitioning coefficients in the pulp and paper industrial samples with very complicated matrices were reviewed. The capability of HSGC for indirectly determination of non-volatile species through a phase conversion reaction method was also reported. Although the examples presented in this paper were more focused in the pulp and paper related application, HSGC technique has a great potential to be used for solving many very challenged problems in the other industries and research fields due to its accurate, rapid, simple, and automatic characteristics.
出处
《广州化学》
CAS
2008年第2期59-66,共8页
Guangzhou Chemistry
关键词
顶空
气相色谱
气液平衡常数
headspace, gas chromatography, Henry constant
