Please use this identifier to cite or link to this item: http://nopr.niscair.res.in/handle/123456789/8632
Title: Assay of bromhexine hydrochloride in pharmaceutical formulations by extraction spectrophotometry
Authors: Rao, S V Murali Mohan
Rao, I Nageswara
Reddy, T Rama Subba
Sastry, C S P
Keywords: Spectrophotometry
tropaeolin oo
naphthalene blue 12BR
azocarmine G
Issue Date: Mar-2005
Publisher: CSIR
Series/Report no.: G01J 3/00; A61K 9/00
Abstract: Three simple and sensitive spectrophotometric methods (A-C) for the assay of bromhexine hydrochloride in pure and dosage forms based on the formation of chloroform soluble ion-associates under specified experimental conditions are described. Three acidic dyes, namely, Tropaeolin oo (TP oo, method A), Naphthalene blue 12BR (NB 12BR, method B) and Azocarmine G (ACG, method C) are utilized. The extracts of the ion-associates exhibit absorption maxima at 420, 620 and 540 nm for methods A, B and C respectively. Regression analysis of Beer-Lambert plots showed good correlation in the concentration ranges (2.0-10) <img src='/image/spc_char/micro.gif' border=0> g/mL for method A, (5.0-25) <img src='/image/spc_char/micro.gif' border=0> g/mL for methods B and C respectively. Beer’s law and the precision and accuracy of the methods are checked by the UV reference method. The results are reproducible with an accuracy of ± 1.0%. The methods are found to be suitable for the determination of bromhexine hydrochloride in the presence of the other ingredients that are usually present in dosage forms.
Description: 170-174
URI: http://hdl.handle.net/123456789/8632
ISSN: 0975-0991 (Online); 0971-457X (Print)
Appears in Collections:IJCT Vol.12(2) [March 2005]

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