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Issue:
Theory and Technology of Headspace Gas Chromatograph Analysis
Author(s):
WANG Yong-hua
Pages:
7
-
13
Year:
2006
Issue:
2
Journal:
ENVIRONMENTAL MONITORING IN CHINA
Keyword:
分配常数
;
静态顶空气相色谱
;
水分析
;
挥发性有机物
;
可酸挥发硫化物
;
Abstract:
系统讨论了静态顶空气相色谱的原理,包括多次相平衡法、改变相比法和标准加入定量法.测定了挥发性有机物在气液两相间的分配常数及其在水中的含量.提出了通过测定分配常数作为分析准确度的判据.研究了温度、相比、分配常数和无机盐对顶空分析灵敏度的影响.采用顶空色谱测定了河流底泥中的可酸挥发硫化物.
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