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温度对三氯乙烯在土壤中土/气分配系数的影响

Release Time:2019-03-10  Hits:

Indexed by: Journal Article

Date of Publication: 2007-05-15

Journal: 环境化学

Included Journals: CSCD、ISTIC、PKU

Volume: 26

Issue: 3

Page Number: 298-301

ISSN: 0254-6108

Key Words: 三氯乙烯;土/气分配系数;批量实验

Abstract: 采用批量实验测定了三氯乙烯 (TCE) 在三种土壤 (黄土,稻田土,黑土)中的土/气分配系数 (KSA),考察了温度对TCE在土壤中KSA的影响.结果表明:三种土壤的lnKSA与1000/T都呈良好的线性关系,TCE在三种土壤上的相变热ΔUSA分别为84.48, 60.32, 59.86 kJ·mol-1.另外低温时的KSA同样符合Boltzmann方程.

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