Glossary | SVCP

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D

Densitometer

It is the method in which the intensity of colour of substance is measured by chromatogram

descending chromatography

A type of paper chromatography in which the sample-carrying solvent mixture is fed to the top of the developing chamber,being separated as it works downward.

Dissolution

the amount of drug substance that goes into solution per unit time under standardized conditions of liquid/solid interface, temperature and solvent composition

Distillation

Distillation is the process that occurs when a liquid sample is volatilized to produce a vapour that is subsequently condensed to a liquid richer in the more volatile components of the original sample.