Comparative Study of Microwave assisted Solvent Extraction and Other Extraction Methods of Polycyclic Musks in Soil

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Comparative Study of Microwave assisted Solvent Extraction and Other Extraction Methods of Polycyclic Musks in Soil

- Comparative Study of Microwave assisted Solvent Extraction and Other Extraction Methods of Polycyclic Musks in Soil
- Vol. 30, Issue 7, Pages: 745-749(2011)
- 作者机构：
  
  1. 沈阳大学区域污染环境生态修复教育部重点实验室
  2. 辽宁省地质矿产研究院
- 作者简介：
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Comparative Study of Microwave assisted Solvent Extraction and Other Extraction Methods of Polycyclic Musks in Soil. [J]. 30(7):745-749(2011)
DOI：

Comparative Study of Microwave assisted Solvent Extraction and Other Extraction Methods of Polycyclic Musks in Soil. [J]. 30(7):745-749(2011) DOI：

摘要

结合硅胶柱净化、GC-MS技术比较了微波辅助提取、索氏提取和超声波提取对土壤中佳乐麝香和吐纳麝香的萃取效果。通过对微波辅助提取条件进行优化，确定采用30 mL正己烷-丙酮（1∶1）于120 ℃微波萃取20 min。在优化条件下，土壤样品中佳乐麝香和吐纳麝香的线性范围为10~1 000 μg/L，相关系数分别为0.999 5和0.996 4，平均回收率分别为84%和89%，相对标准偏差分别为11.2%和9.2%，检出限分别为0.71、0.68 μg/kg。实验结果表明，微波辅助提取法在提取效果、提取时间和有机溶剂用量等方面较其他提取方法具有明显优势，是现阶段土壤样品中多环麝香提取的最佳方法。

Abstract

Combined with purification of silica gel column and determination by GC-MS,the extraction effects of microwave-assisted solvent extraction（MSE）,soxhlet extraction（SE） and ultrasonic extraction（UE） for polycyclic musk were studied.The extraction conditions of MSE were optimized.The optimal extraction conditions were as follows:extraction solvent:30 mL acetone-hexane（1∶1）,extraction time:20 min,temperature:120 ℃.Under the optimized conditions,the calibration curves of galaxolide(HHCB) and tonalide(AHTN) were liner in the range of 10-1 000 μg/L,with correlation coefficients of 0.999 5 and 0.996 4,respectively.The average recoveries of HHCB and AHTN were 84% and 89%,respectively,with RSDs of 11.2% and 9.2%.The detection limits were 0.71 μg/kg for HHCB and 0.68 μg/kg for AHTN.The result indicated that,compared with other extraction methods,the MSE method had obvious advantages in extraction effect,extraction time and organic solvent consumption, and was the best method for the extraction of polycyclic musk in soil at this stage.

关键词

样品前处理微波辅助提取多环麝香土壤

Keywords

sample preparation and pretreatmentmicrowave-assisted solvent extractionpolycyclic musksoil

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