Techniques and Instrumentation for Analysis of Drugs
Chromatographic techniques are extremely useful in identification and quantitation of many molecular structures, and have been extensively applied to the evaluation of drug substances. Chromatography may be interpreted literally as “writing or display in colors,” since the original applications were in separation of mixtures into colored components. Although in thin-layer and paper chromatography, color development of components is a major identification factor, in some forms of chromatography, such as gas-liquid chromatography, color is no longer a feature and the ability to separate mixtures is the common bond among all chromatographic techniques.
KeywordsNuclear Magnetic Resonance Magnetic Field Strength Spin Quantum Number Infrared Spectrophotometry Quantitative Nuclear Magnetic Resonance
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