Supercritical fluid extraction of <sup>14</sup>C-chlorsulfuron bound residues and their identification

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Supercritical fluid extraction of ¹⁴C-chlorsulfuron bound residues and their identification

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- Supercritical fluid extraction of ¹⁴C-chlorsulfuron bound residues and their identification
- NUCLEAR TECHNIQUES Issue 12, (1998)
- 作者机构：
  
  1. 浙江农业大学核农所!农业部核农学重点开放实验室
  2. 中国水稻研究所,杭州
  3. ,310006
- 作者简介：
- 基金信息：
- DOI：
  CLC： S482.4
- Published：01 December 1998
- 稿件说明：
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[1]郭江峰,孙锦荷,叶庆富,平霄飞.~(14)C-绿黄隆结合残留物的超临界流体提取及鉴定[J].核技术,1998(12):747-751.

Supercritical fluid extraction of ¹⁴C-chlorsulfuron bound residues and their identification[J]. Nuclear techniques, 1998, (12): 747-751.
[1]郭江峰,孙锦荷,叶庆富,平霄飞.~(14)C-绿黄隆结合残留物的超临界流体提取及鉴定[J].核技术,1998(12):747-751. DOI：

Supercritical fluid extraction of ¹⁴C-chlorsulfuron bound residues and their identification[J]. Nuclear techniques, 1998, (12): 747-751. DOI：

摘要

采用超临界甲醇提取14C－绿黄隆结合残留物时，在超临界状态下维持30min，提取效率可达85．82％。对绿黄隆经超临界流体提取处理产生的分解产物进行TGC－MS分析。对仅含结合态14C－绿黄隆结合残留物的样品进行超临界流体提取处理时，释放出的14C－结合残留物会进一步发生分解。

Abstract

Supercritical methanol was used to extract 14C-chlorsulfuron bound residues.When the SFE process was maintained for 30 minutes

87.82% of total bound residues was found to be extracted. Whether the soil matrix was present or not

chlorsulfuron would be decomposed after the SFE process

and the decomposed products were then subjected to GC-MS analysis for identification. When the soil samples which contained only 14C-chlorsulfuron bound residues were processed by SFE

the released 14C-residues would be further decomposed.

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Related Author

郭江峰

孙锦荷

叶庆富

Related Institution

Institute of Nuclear Agricultural Agricultural Science, Zhe jiang University

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Supercritical fluid extraction of 14C-chlorsulfuron bound residues and their identification

DOI：

摘要

Abstract

关键词

Keywords

references

Supercritical fluid extraction of ¹⁴C-chlorsulfuron bound residues and their identification