Pharmaceutical Analysis by Polarographic Method. III
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چکیده
منابع مشابه
Determination of gatifloxacin in pure form and pharmaceutical formulations by differential pulse polarographic analysis.
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A direct polarographic method for the determination of chlorpheniramine maleate in pharmaceutical preparations had been developed. The method was based on the reduction of chlorpheniramine maleate in an acidic medium (pH 1.2-4.0). The effect of pH on the polarographic wave was investigated by recording d.c. polarograms in various supporting electrolytes. The calibration graphs were rectilinear ...
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An extremely sensitive pulse polarographic method for the determination of zinc dimethyldithiocarbamate (an agricultural fungicide) and zinc di-n-pentyldithiocarbamate (a petroleum additive), has been developed based on the reaction of their dithiocarbamate moiety with copper(II) perchlorate in acetonitrile medium. Well defined diffusion-controlled peaks are observed at –140 mV and –130 mV (vs ...
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The polarographic method invented by J. Heyrovsk over 40 years ago has been associated with many successful achievements in many branches of physical and analytical chemistry, particularly in electrochemistry. Following the construction of the polarograph (with the excellent properties of Kuera's dropping mercury electrode incorporated) by Heyrovsk and Shikata, recording the current—voltage cur...
متن کاملNitrite Determination by the Differential Pulse Polarographic Method
In this work; the optimum conditions of the differential pulse polarographic method conditions of the polarographic reduction of diphenylnitrosoamine which was occured by nitrite ion and diphenylamine in perchloric acidic medium and thiocyanate ion as catalyst, were determined. At these polarogram conditions, nitrite ion gave a maximum diffusion current at -0.56 V. The differential pulse polaro...
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ژورنال
عنوان ژورنال: YAKUGAKU ZASSHI
سال: 1952
ISSN: 0031-6903,1347-5231
DOI: 10.1248/yakushi1947.72.1_18