这表明采用加速溶剂提取技术，可用价格较低的甲醇取代昂贵的正己烷和丙酮。
Therefore, it is possible to use the cheap solvents (mixture of methanol and water) instead of the expensive hexane and acetone when the Accelerated Solvent Extraction method is employed.
概述了近年来样品预处理方法的新进展，简要介绍并对比了固相萃取（ SPE）、固相微萃取技术（S PME）、微波提取技术（MAE）、超临界萃取（ SFE）、加速溶剂提取（ ASE）等方法。
This paper discusses the recent advances in sample pretreatment methods and briefly introduces and compares the technique of SPE, SPME, MAE, SFE and ASE.
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