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固-液萃取
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1. 从土壤中提取吸附的有机物
2. 提取物与土壤的分离
3. 清理与预浓缩
来源:Jay Deiner 博士实验室 — 纽约市立大学
萃取是大多数化学分析中的关键步骤。该过程涉及将分析物从其样品基质中分离出来,并使其进入适用于光谱或色谱鉴定与定量的相态。当样品为固体,而分析所需的相态为液体时,此过程称为固-液萃取。一种简单且广泛应用的固-液萃取方法是将固体与一种分析物可溶的…
Chapters in this video
0:00
Overview
1:08
Principles of Extraction
3:23
Extraction and Separation of Organics from Soil
5:03
Pre-concentration and Analysis
6:43
Applications
9:10
Summary
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