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Potentiometric Determination of Ascorbic acid,Malonic acid and Resorcinol Using Sulphide and Cyanide Ion-Selective Electrodes Compared with Platinum Electrode.
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نویسنده
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Al_Hitti Ismail K. ,Kareem Nagham K.
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منبع
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journal of university of anbar for pure science - 2013 - دوره : 7 - شماره : 2 - صفحه:- --
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چکیده
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A new potentiometric method was adopted for the determination of ascorbic acid , malonic acid and resorcinol using iodine (dissolved in glacial acetic acid) as oxidant . the liberated iodide was monitored using sulphide and cyanide ion-selective electrodes compared with platinum electrode . the potential changes were sufficiently sharp (in the range of 280-300mv/0.1ml) for establishing the end points over a range of 0.001-0.100m of these reductants . the method was found accurate for determination of these reductants individually and in their mixtures .
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کلیدواژه
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Ion-Selective Electrodes(ISEs) ,Ascorbic acid ,oxidation-reduction potential ,Iodimetric technique ,Resorcinol ,Malonic acid
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آدرس
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University Of Anbar, College of Science, Iraq, University Of Anbar, College of Science, Iraq
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Authors
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