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What is Ash Value Determination in Pharmacognosy about?

Determining total ash and acid-insoluble ash content of drugs provides information about their purity and quality. Total ash represents inorganic salts naturally present or deliberately added, while acid-insoluble ash remains after treatment with hydrochloric acid and reflects contaminants like silica or calcium oxalate. Official pharmacopeias provide limits for acid-insoluble ash content to standardize drug identity and quality.

Author

Bea Tan

Language

EN