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نمایش تعداد 1-10 از 15

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    Highly selective and sensitive coated-wire yttrium (III) cation selective electrode based on kryptofix-22DD 

    نوع: Journal Paper
    نویسنده : غلامحسین رونقی; رویا محمدزاده کاخکی; Glamhossein Ronagi; roya mohammadzadekakhki
    سال: 2011
    خلاصه:

    An yttrium (III) cation selective electrode based on kryptofix-22DD (1,10-didecyl-1,10-diaza-18-crown-6) incorporated into a polyvinylchloride (PVC) membrane has been developed. The optimized membrane incorporating ...

    voltammetric determination of 4-nitrophenol using a modified carbon electrode based a new synthetic crown ether/silver nanoparticle 

    نوع: Conference Paper
    نویسنده : رویا محمدزاده کاخکی; غلامحسین رونقی; roya mohammadzadekakhki; Glamhossein Ronagi
    سال: 2011
    خلاصه:

    the analysis of phenols and substituted phenols in natural waters and effluents is of prime importance for enviromnetal control due the their appearance from wide range of activities.

    highly selective and efficient transport of lead (II) cations in natular water using a liquid membrane system with dicyclohexano-18-crown-6 as carrier. 

    نوع: Conference Paper
    نویسنده : رویا محمدزاده کاخکی; غلامحسین رونقی; roya mohammadzadekakhki; Glamhossein Ronagi
    سال: 2011
    خلاصه:

    industrial cffluents contaninig highly toxic and non-biodegradable heavy metal cations are generated in hydrometallurgy electroplating and electrochemical industry.

    prepration and electrochemical application of a new biosensor based on plant tissue/polypyrrole for the determination of acetaminophen 

    نوع: Conference Paper
    نویسنده : رویا محمدزاده کاخکی; غلامحسین رونقی; roya mohammadzadekakhki; Glamhossein Ronagi
    سال: 2011
    خلاصه:

    acetaminophen is a long-established and one of the most extensively employed drugs in the word. the compound is effective in reducing fever associated with bacterial and viral infections[1].

    Selective uranyl ion detection by polymeric ion selective electrodes based on benzo-15-crown5 

    نوع: Conference Paper
    نویسنده : غلامحسین رونقی; رویا محمدزاده کاخکی; Glamhossein Ronagi; roya mohammadzadekakhki
    سال: 2009
    خلاصه:

    Ion selective electrodes(ISEs)are currently finding a widespread use for direct determination of ions inenvironmental Analysis[1-4].In compared to otheranalytical sensors,ion selective electrodes haveadvantages including ...

    Selective transport of lead (II) through a bulk liquid membrane using dicyclohexyl-18-crown-6 as a carrier 

    نوع: Conference Paper
    نویسنده : غلامحسین رونقی; رویا محمدزاده کاخکی; Glamhossein Ronagi; roya mohammadzadekakhki
    سال: 2010
    خلاصه:

    A chloroform membrane system containing dicyclohexyl-18-crown-6 is introduced for the selective and efficient transport of Pb2+ ion.

    Selective cerium cation detection by polymeric ion selective electrode based on a new synthetic ligand 

    نوع: Conference Paper
    نویسنده : رویا محمدزاده کاخکی; غلامحسین رونقی; roya mohammadzadekakhki; Glamhossein Ronagi
    سال: 2011
    خلاصه:

    Good ion-selective electrodes (ISEs) possess many advantages over traditional methods of analysis and provide accurate, reproducible, fast, and regular selective determination of various ionic species. In addition, ...

    Selective yttrium ion detection by polymetric ion selective electrode based on kryptofix 22 

    نوع: Conference Paper
    نویسنده : غلامحسین رونقی; رویا محمدزاده کاخکی; Glamhossein Ronagi; roya mohammadzadekakhki
    سال: 2010
    خلاصه:

    Yttrium ion selective electrode based on kryptofix 22 encorporated into a polyvinyl chloride membrane has been developed.

    Artificial Neural Networks Applied for Simultaneous Analysis of Mixtures of Nitrophenols by Conductometric Acid–Base Titration 

    نوع: Journal Paper
    نویسنده : غلامحسین رونقی; رویا محمدزاده کاخکی; طاهره حیدری; Glamhossein Ronagi; roya mohammadzadekakhki; Taherh Heidari
    سال: 2011
    خلاصه:

    In this study, the simultaneous conductometric titration method for determination of mixtures of 4-nitrophenol, 2,4-dinitrophenol, and 2,4,6- trinitrophenol based on principal component artificial neural network (ANN) ...

    a new cerium (III) ion selective electrode based on 2,9-dihydroxy-1,10-diphenoxy-4,7 -dithia decane , a novel synthetic ligand 

    نوع: Journal Paper
    نویسنده : غلامحسین رونقی; رویا محمدزاده کاخکی; حمید صادقیان; Glamhossein Ronagi; roya mohammadzadekakhki; Hamid Sadeghian
    سال: 2011
    خلاصه:

    In the present study, a novel electrode based on 2,9-dihydroxy-1,10-diphenoxy-4,7-dithiadecane (DHDPDTD) that is selective to cerium (III) cations was evaluated electrochemically, and a Nerenstian slope (19.3±1mVdecade−1) ...

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