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Cyclic voltammetric determination of hydrochlorothiazide in pure form and pharmaceutical preparations using a carbon paste electrode / Bahgat Abdelazeem Mohammad Eltokhy ; Supervised Sayed Sayed Badawy , Hamed Abdellatif Abdelrhman

By: Contributor(s): Material type: TextTextLanguage: English Publication details: Cairo : Bahgat Abdelazeem Mohammad Eltokhy , 2014Description: 73 P. : charts , facsimiles ; 25cmOther title:
  • طرق {uئإؤ٣}و{uئإؤئ}{uئإ٩٧}{uئإ٨إ}{uئإإ٣}{uئإ٩٧}ر{uئآئإ}{uئإ٩٤} دور{uئآئإ}{uئإ٩٤} {uئإؤئ}{uئإ٩٧}{uئإؤ٨}د{uئآئإ}ر ا{uئإؤئ}{uئإإأ}{uئآئإ}درو{uئإؤآ}{uئإإ٠}ورو{uئإ٩آ}{uئآئإ}{uئإ٨إ}ز{uئآئإ}د {uئإؤ٣}{uئإئ٢} ا{uئإؤئ}{uئإآآ}ورة ا{uئإؤئ}{uئإإ٧}{uئإؤ٨}{uئآئإ}{uئإ٩٤} وا{uئإؤئ}{uئإإ٣}{uئإآ٣}{uئإ٩٧}{uئإء٣}{uئإآئ}رات ا{uئإؤئ}{uئإآآ}{uئآئإ}د{uئإؤئ}{uئآئإ}{uئإ٩٤} {uئإ٩١}{uئإ٨٨}{uئإآ٣}{uئإ٩٧}{uئإء٧}دام {uئإؤ٧}طب {uئإأآ}{uئإ٩ئ}{uئآئإ}{uئإإ٧}{uئإ٩٤} ا{uئإؤئ}{uئإؤآ}ر{uئإ٩١}ون ا{uئإؤئ}{uئإإ٣}{uئإإ٧}{uئإآ٧}ط [Added title page title]
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Dissertation note: Thesis (M.Sc.) - Cairo University - Faculty of Science - Department of Analytical chemistry Summary: A voltammetric study of hydrochlorothiazide (HTZ) at activated carbon paste electrode was carried out. The drug in phosphate buffer (0.2 M, pH 7.7) is oxidized at +800 mV using 100 mV s⁻¹ scan rate, giving rise to a well-defined anodic peak. The study indicated that the oxidation process is irreversible and diffusion-controlled. A sensitive, simple and time-saving anodic cyclic voltammetric procedure was developed. The procedure has been applied for the drug determination in pure form and in some commercial tablets with no prior extraction. HTZ showed a significant current response at activated carbon paste electrode under the optimum conditions with two linear dynamic ranges (detection and quantification limits of 2{u00D7}10⁻⁶ M and 6{u00D7}10⁻⁶ M, with linear calibration ranges between 6.5{u00D7}10⁻⁶ - 1{u00D7}10⁻⁴ M and 1{u00D7}10⁻⁴ - 3{u00D7}10⁻³ M HTZ, respectively)
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Thesis Thesis قاعة الرسائل الجامعية - الدور الاول المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.12.08.M.Sc.2014.Ba.C (Browse shelf(Opens below)) Not for loan 01010110066555000
CD - Rom CD - Rom مخـــزن الرســائل الجـــامعية - البدروم المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.12.08.M.Sc.2014.Ba.C (Browse shelf(Opens below)) 66555.CD Not for loan 01020110066555000

Thesis (M.Sc.) - Cairo University - Faculty of Science - Department of Analytical chemistry

A voltammetric study of hydrochlorothiazide (HTZ) at activated carbon paste electrode was carried out. The drug in phosphate buffer (0.2 M, pH 7.7) is oxidized at +800 mV using 100 mV s⁻¹ scan rate, giving rise to a well-defined anodic peak. The study indicated that the oxidation process is irreversible and diffusion-controlled. A sensitive, simple and time-saving anodic cyclic voltammetric procedure was developed. The procedure has been applied for the drug determination in pure form and in some commercial tablets with no prior extraction. HTZ showed a significant current response at activated carbon paste electrode under the optimum conditions with two linear dynamic ranges (detection and quantification limits of 2{u00D7}10⁻⁶ M and 6{u00D7}10⁻⁶ M, with linear calibration ranges between 6.5{u00D7}10⁻⁶ - 1{u00D7}10⁻⁴ M and 1{u00D7}10⁻⁴ - 3{u00D7}10⁻³ M HTZ, respectively)

Issued also as CD

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