Chapter 2

Chemical Methods Used in Purification

Abstract

Describes the chemical procedures that have been used in the literature to purify a variety of substances with a large range of chemical reactivity. This invariably involves conversion into some suitable derivative which is more readily purified, followed by regeneration of the original material. Recent advances in chemical methods are also discussed. Six useful tables are included. A bibliography of recent references is provided.

Keywords

Complexation; Derivatives; Distillation; Extraction; Fluorochromes; Ion-exchange resins; Metal hydrides; Metal impurities; Organic compounds & metal salts; Precipitation; Tables

General Remarks

Greater selectivity in purification can often be achieved ...

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