نتایج جستجو برای: pair complex

تعداد نتایج: 891577  

Journal: :research in pharmaceutical sciences 0
m amanlou s keivani b sadri o gorban-dadras e souri

in the present study, a simple and sensitive extractive spectrophotometric method is described for determination of buspirone. the method is based on the reaction of buspirone and bromocresol green. the ion-pair complex was quantitatively extracted into chloroform at ph 2.3 followed by spectrophotometric determination at 415 nm. the complex was stable up to 2 days and obeyed beer's law over the...

Journal: :iranian journal of pharmaceutical sciences 0
massoud amanlou department of medicinal chemistry, faculty of pharmacy, and pharmaceutical sciences research center, tehran university of medical sciences, tehran, iran effat souri department of medicinal chemistry, faculty of pharmacy, and pharmaceutical sciences research center, tehran university of medical sciences, tehran, iran shiva izady department of medicinal chemistry, faculty of pharmacy, and pharmaceutical sciences research center, tehran university of medical sciences, tehran, iran hassan farsam department of medicinal chemistry, faculty of pharmacy, and pharmaceutical sciences research center, tehran university of medical sciences, tehran, iran

a simple and sensitive extractive spectrophotometric method is described for determination of tropicamide. the method is based on the reaction of tropicamide and bromocresol green. the ion-paired colored complex was extracted with chloroform at ph 3. the extracted complex showed maximum absorbance at 423 nm. the complex was stable up to 2 days and obeyed beer's law over the concentration r...

Journal: :iranian journal of pharmaceutical research 0
massoud amanlou department of medicinal chemistry, faculty of pharmacy and drug design and development research center, tehran university of medical sciences, tehran (14155-6451), iran. amin ghazi moghadam department of medicinal chemistry, faculty of pharmacy and drug design and development research center, tehran university of medical sciences, tehran (14155-6451), iran. effat souri department of medicinal chemistry, faculty of pharmacy and drug design and development research center, tehran university of medical sciences, tehran (14155-6451), iran.

in this study a sensitive, simple and accurate spectrophotometric method was suggested for determination of tamsulosin in bulk powder and pharmaceutical dosage form based on the formation of an ion-pair complex between the drug and bromocresol green in a buffer solution at ph 3.5. the formed yellow color complex was extracted with chloroform and measured at 415 nm. the optimum reaction conditio...

Journal: :journal of pharmaceutical and health sciences 0

a simple extractive spectrophotometric method has been developed for the estimation of miconazole nitratein both pure and pharmaceutical preparation. the method is based on the formation of ion-pair complex of thedrug with acidic dye bromothymol blue (btb) in acidic condition, followed by its extraction in organic solvent(chloroform). the absorbance was measured against the corresponding blank....

Amin Ghazi Moghadam, Effat Souri, Maliheh Barazandeh Tehrani Massoud Amanlou,

In this study a sensitive, simple and accurate spectrophotometric method was suggested for determination of tamsulosin in bulk powder and pharmaceutical dosage form based on the formation of an ion-pair complex between the drug and bromocresol green in a buffer solution at pH 3.5. The formed yellow color complex was extracted with chloroform and measured at 415 nm. The optimum reaction conditio...

Amin Ghazi Moghadam, Effat Souri, Maliheh Barazandeh Tehrani Massoud Amanlou,

In this study a sensitive, simple and accurate spectrophotometric method was suggested for determination of tamsulosin in bulk powder and pharmaceutical dosage form based on the formation of an ion-pair complex between the drug and bromocresol green in a buffer solution at pH 3.5. The formed yellow color complex was extracted with chloroform and measured at 415 nm. The optimum reaction conditio...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده علوم 1390

this work is presented in five parts. in the first part preparation of the starting complex [pt(c^n)cl(dmso)], 1, in which c^n = n(1),c(2?)-chelated, deprotonated 2-phenylpyridine, and dmso = dimethylsulfoxide, and its reaction with 1 equiv of the biphosphine ligands bis(diphenylphosphino)amine, dppa, or bis(diphenylphosphino)methane, dppm, to give the complex [pt(c^n)cl(dppa)], 2, or [pt(c^n)c...

Journal: :International Mathematics Research Notices 2017

Effat Souri, Hassan Farsam Massoud Amanlou, Shiva Izady

     A simple and sensitive extractive spectrophotometric method is described for determination of tropicamide. The method is based on the reaction of tropicamide and bromocresol green. The ion-paired colored complex was extracted with chloroform at pH 3. The extracted complex showed maximum absorbance at 423 nm. The complex was stable up to 2 days and obeyed Beer's law over the concentration r...

Journal: :Journal of Functional Analysis 1995

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