Autor: |
Parikh, P M, Vadodaria, D J, Mukherji, S P |
Zdroj: |
Journal of Pharmacy and Pharmacology; September 1959, Vol. 11 Issue: 1 p314-317, 4p |
Abstrakt: |
Dithranol in glacial acetic acid when reacted with solution of sodium nitrite develops an orange yellow colour. The optimum conditions for this reaction were exploited for the quantitative estimation of dithranol alone or in ointments. Some of the common ingredients such as salicylic acid, benzoic acid, zinc oxide and boric acid usually present in dithranol ointment were found not to interfere. The method is simple and accurate and results are reproducible within ± 2 per cent. |
Databáze: |
Supplemental Index |
Externí odkaz: |
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