Extraction Methods in Chemistry
Learn about the process of extraction in chemistry, separating substances from matrices using methods like solvent extraction, distillation, supercritical fluid extraction, and pressing. Liquid-liquid extraction, also known as solvent extraction, is explained in detail.
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Presentation Transcript
Experiment 1: Extraction PART I
Definition process consisting in the separation of a substance from a matrix. Extraction in chemistry is a separation Usage of extraction Extraction is the first and fundamental operation in natural product science, its aim is to separate the metabolites from the biological matrix which they are enclosed inside. The result of this first process is called extract, it is usually a complex mixture of natural products, obtained as a solid or oily residual from the evaporation of the extractive solution.
The extraction methods are mainly of four kinds, depending on their principle: SOLVENT EXTRACTION (Liquid Liquid extraction) DISTILLATION SUPERCRITICAL FLUID EXTRACTION (SFE) PRESSING
Liquid-Liquid extraction, also known as solvent extraction and partitioning, is a method to separate compounds based on their relative solubilities in two different immiscible liquids, usually water and an organic solvent. aq or Process of dissolved substance transferring from one phase to another phase, which are immiscible or partially miscible, is named liquid-liquid partition or partition between two phase of liquids. Separatory funnel for use in a liquid liquid extraction.
