Organophosphorus Pesticide Extraction and Cleanup from Soils and Measurement Using GC-NPD

WANG Li-Gang; JIANG Xin; MAO Ying-Ming; ZHAO Zhen-Hua; BIAN Yong-Rong

首页> 外文期刊>土壤圈（英文版） >Organophosphorus Pesticide Extraction and Cleanup from Soils and Measurement Using GC-NPD

【24h】

Organophosphorus Pesticide Extraction and Cleanup from Soils and Measurement Using GC-NPD

机译：从土壤中提取和净化有机磷农药并使用GC-NPD测定

获取原文

获取原文并翻译 | 示例

掌桥外文数据库（机构版） >>

开具论文收录证明 >>

页面导航

摘要
著录项
相关主题

摘要

The objectives of this study were to optimize instrumental parameters and conditions for analysis of selected organophosphorus pesticides (OPPs) by gas chromatography (GC) with nitrogen-phosphorus detection (NPD) (GC-NPD); to select an appropriate solvent system; to conduct a comparison of sonication and shaking extractions; and to select an appropriate procedure for extracting organophosphorus pesticides from soils. Procedure Ⅰ consisted of n-hexane or petroleum ether together with acetone used as solvents, while Procedure Ⅱ contained several solvents including acetone,methanol, dichloromethane, and n-hexane or petroleum ether. Experimental results indicated that a mixture of petroleum ether/acetone (2:1, v/v) could be used in place of n-hexane/acetone (2:1, v/v) as it was a less expensive solvent system.In addition, shaking under a water bath at 20 ℃ was more effective than sonication. Also, Procedure Ⅰ was more effective,safer, and more timesaving than Procedure Ⅱ. Procedure I was applied to three soil types of different organic matter content, with recoveries of the OPPs from the yellow-brown soils, which had a higher organic matter content, being lower than those from the yellow and red soils.

机译：这项研究的目的是优化仪器参数和条件，用于通过气相色谱法（GC）和氮磷检测（NPD）（GC-NPD）分析选定的有机磷农药（OPP）;选择合适的溶剂系统;比较超声处理和摇动提取物;并选择从土壤中提取有机磷农药的适当程序。程序Ⅰ由正己烷或石油醚以及丙酮作为溶剂组成，而程序Ⅱ含有几种溶剂，包括丙酮，甲醇，二氯甲烷，正己烷或石油醚。实验结果表明，可以使用石油醚/丙酮（2：1，v / v）的混合物代替正己烷/丙酮（2：1，v / v），因为它是一种较便宜的溶剂系统。此外，在20℃的水浴中摇动比超声处理更有效。而且，步骤Ⅰ比步骤Ⅱ更有效，安全和省时。方法I应用于三种有机物含量不同的土壤类型，其中有机物含量较高的黄棕色土壤中OPP的回收率低于黄色和红色土壤中的OPP回收率。

著录项

来源
《土壤圈（英文版）》 |2005年第3期|386-394|共9页
作者
WANG Li-Gang; JIANG Xin; MAO Ying-Ming; ZHAO Zhen-Hua; BIAN Yong-Rong;
展开▼
作者单位

Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha 410125 China;

Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008 China;

Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008 China;

Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008 China;

Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008 China;

展开▼
收录信息中国科学引文数据库(CSCD);中国科技论文与引文数据库(CSTPCD);
原文格式 PDF
正文语种 chi
中图分类植物保护;
关键词
cleanup; extraction; GC-NPD; organophosphorus pesticide;

机译：净化萃取GC-NPD有机磷农药;

Organophosphorus Pesticide Extraction and Cleanup from Soils and Measurement Using GC-NPD

摘要

著录项

相关主题

期刊订阅