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Publikováno v:
Zagazig Journal of Pharmaceutical Sciences.
A simple, precise and cost effective conductometric method was developed for determination of betahistine dihydrochloride and heptaminol hydrochloride in pure form and pharmaceutical formulations. The method is based on the precipitation of chloride
Autor:
Salah A. Abdel-Aziz
Publikováno v:
Zagazig Journal of Pharmaceutical Sciences. 25:77-92
A series of 1,6-dihydro-2-hydroxyethylamino-6-oxo-4-arylpyrimidine-5-carbonitriles 8a-i, and 4-amino-2-hydroxyethylamino-6-arylpyrimidine-5-carbonitriles 9a-i were prepared. Multicomponent reaction of araaldehyde 1a-i , S-methylisothiourea sulfate 2
Publikováno v:
Zagazig Journal of Pharmaceutical Sciences. 24:97-108
Two spectrophotometric methods described for determination of, Gliclazide and Glibenclamide in bulk and pharmaceutical dosage forms using insitu generated bromine as oxidizing agent and either methylene blue or methyl orange as chromogenic agents. Dr
Publikováno v:
Zagazig Journal of Pharmaceutical Sciences. 23:75-87
Four simple and sensitive spectrophotometric methods were proposed for determination ofsecnidazole in pure and in tablet forms. The methods (I, II, III) depends on the reduction ofsecnidazole molecule with zinc dust and hydrochloric acid), forward by
Publikováno v:
Zagazig Journal of Pharmaceutical Sciences. 22:49-68
Two spectrophotometric methods are described for determination of Cefepime, Cefoperasone and Cefotriaxone in bulk and pharmaceutical dosage forms using in situ generated bromine as oxidizing agent and either methylene blue or methyl orange as chromog
Publikováno v:
Zagazig Journal of Pharmaceutical Sciences. 15:16-22
Two simple, sensitive and accurate spectrophotometric methods have been established for the determination of clidinium bromide (CBr), ambroxol hydrochloride (AX) and tramadol hydrochloride (TD) using methyl orange (MO) and bromocresol purple (BCP) Th
Autor:
Heba M. El-Sayed, Mervat M. Hosny
Publikováno v:
Zagazig Journal of Pharmaceutical Sciences. 15:1-8
Simple, sensitive and accurate spectrophotometric and atomic absorption spectrometric procedures were developed for the determination of both diltiazem and dothiepin hydrochlorides in pure forms and in pharmaceutical preparations. The first method wa
Publikováno v:
Zagazig Journal of Pharmaceutical Sciences. 14:27-32
The method describes a colorimetric procedure for determination of some vasoacting drugs namely, domperidone, dipyridamole, and cinnarizine. In this procedure, metanil yellow and methyl orange were utilized in the determination of the concerned compo
Autor:
Mohamed Fathy
Publikováno v:
Zagazig Journal of Pharmaceutical Sciences. 9:51-63
Verapamil hydrochloride (VPH) was encapsulated using emulsion solvent-evaporation technique. Ethyl cellulose (EC), Eudragit RS (Eud. RS) and cellulose acetate butyrate (CAB) were used as the coating polymers. The dissolution behavior of microspheres
Publikováno v:
Zagazig Journal of Pharmaceutical Sciences. 8:7-12
Two sensitive, spectrophotometric and spectrofluorimetric procedures are developed for the determination of two tricyclic antidepressant (amineptine hydrochloride and nortriptyline hydrochloride). Both methods are based on the formation of ternary co