Der Pharma Chemica
Journal for Medicinal Chemistry, Pharmaceutical Chemistry, Pharmaceutical Sciences and Computational Chemistry

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Sensitive determination of Cr(VI) in environmental samples using catalytic hydrogen currents at DME

Author(s): K. Babu Naidu, N. Krishnaiah, P. Krishna Murthy, N. Venkatasubba Naidu

Novel, robustic, simple, mobile and inexpensive method developed for determination of Chromium in milk and water samples with three novel and facile ligands potassium allyl xanthate, potassium isoamyl xanthate and potassium cinamyl xanthate in presence of NH4Cl-NH4OH at pH 8.2 for Kaxan/Kixan and 8.6 for Kcxan. The ligands produce catalytic hydrogen currents with Chromium at peak potential -1.48 V vs SCE with Kaxan/Kixan and -1.5 V vs SCE with Kcxan. In this paper, several experimental parameters have influence on the catalytic hydrogen wave, which are study to optimize the experimental parameters for determination chromium ion and this method was compared with AAS method.


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