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Abstract
This present thesis compromises four chapters:
Chapter (1): Introduction
It gives a brief idea about the drugs under consideration, a discussion about the definitions, action, chemical structures and chemical names. Character of the studied drugs benoxinate hydrochloride (BNH), benzydamine hydrochloride (BZH), chlorphenoxamine hydrochloride CPH), diphenhydramine hydrochloride (DPHH), and levamisole hydrochloride (LEVA) are given.
Chapter (2) Review of Literature
It covers a brief survey on methods of analysis of the studied drugs and literature survey about the acid dyes used, bromophenol blue (BPB), bromocresol green (BCG), bromocresol purple (BCP).
Chapter (3): Materials and Methods
It contains the experimental part which includes the apparatus used for measurement and procedures for preparation of drug solutions and reagents. Also, it contains the proposed spectrophotometric methods for the drugs under consideration in pure and dosage forms; also it contains the pharmacopoeial and official methods for analysis of the studied drugs.
Chapter (4): Results and Discussion.
This part contains results and discussion which include the spectrophotometric procedures for determination of the studied drugs using acid-dyes reagents bromophenol blue (BPB), bromocresol green (BCG), bromocresol purple (BCP).