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ELNAWAWY, M., FARAG, R., ABD ELKADER, Y., ADAWAY, A., AL-SALAM, S. (2012). SPECTROPHOTOMETRIC METHOD FOR THE DETERMINATION OF FEXONFENDINE HYDROCHLORIDE IN PHARMACEUTICAL FORMULATIONS. Al-Azhar Bulletin of Science, 23(Issue 1-A), 13-21. doi: 10.21608/absb.2011.7196
M. ELNAWAWY; RABIE S. FARAG; YASSER A. ABD ELKADER; A. M. ADAWAY; S. R. AL-SALAM. "SPECTROPHOTOMETRIC METHOD FOR THE DETERMINATION OF FEXONFENDINE HYDROCHLORIDE IN PHARMACEUTICAL FORMULATIONS". Al-Azhar Bulletin of Science, 23, Issue 1-A, 2012, 13-21. doi: 10.21608/absb.2011.7196
ELNAWAWY, M., FARAG, R., ABD ELKADER, Y., ADAWAY, A., AL-SALAM, S. (2012). 'SPECTROPHOTOMETRIC METHOD FOR THE DETERMINATION OF FEXONFENDINE HYDROCHLORIDE IN PHARMACEUTICAL FORMULATIONS', Al-Azhar Bulletin of Science, 23(Issue 1-A), pp. 13-21. doi: 10.21608/absb.2011.7196
ELNAWAWY, M., FARAG, R., ABD ELKADER, Y., ADAWAY, A., AL-SALAM, S. SPECTROPHOTOMETRIC METHOD FOR THE DETERMINATION OF FEXONFENDINE HYDROCHLORIDE IN PHARMACEUTICAL FORMULATIONS. Al-Azhar Bulletin of Science, 2012; 23(Issue 1-A): 13-21. doi: 10.21608/absb.2011.7196

SPECTROPHOTOMETRIC METHOD FOR THE DETERMINATION OF FEXONFENDINE HYDROCHLORIDE IN PHARMACEUTICAL FORMULATIONS

Article 2, Volume 23, Issue 1-A, June 2012, Page 13-21  XML PDF (591.07 K)
Document Type: Original Article
DOI: 10.21608/absb.2011.7196
Authors
M. ELNAWAWY* 1; RABIE S. FARAG1; YASSER A. ABD ELKADER2; A. M. ADAWAY3; S. R. AL-SALAM3
1Chemistry Department , Faculty of Science, Al-Azhar University, Cairo , Egypt.
2Medico-Legal Department, Ministry of Justice, Cairo, Egypt
3Medico-Legal Department, Ministry of Justice, Cairo, Egypt.
Abstract
Spectrophotometric method have been developed for the assay of Fexonfendine hydrochloride (FEX) in pure and pharmaceutical formulations. This method is based on the formation of chloroform soluble ion-association complexes of (FEX) with picric acid(PIC), bromphenol blue (BPB) and with chlorophenol red (CPR) with absorption maximum at 403 nm , at 429 nm and 418 nm for PIC ,BPB and CPR, respectively. Reaction conditions were optimized to obtain the maximum color intensity. The absorbance was found to increase linearly with increasing in concentration of FEX,. Effect of the extracting solvents, effect of pH and effect of temperature on the stability of ion-associates have been investigated for studying the ion-assosciates of the cited drugs with the reagents under consideration
Keywords
Spectrophotometric determination; Fexonfendine hydrochloride
Main Subjects
Chemistry
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