TRACE DETERMINATION OF MOLYBDENUM BY ADSORPTIVE CATHODIC STRIPPING VOLTAMMETRY

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HAJIAN R.; SHAMS E.

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Journal Paper

Paper Information

Journal: JOURNAL OF THE IRANIAN CHEMICAL SOCIETY(JICS) Year:2006 | Volume:3 | Issue:1 Page(s): 32-37

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Title

TRACE DETERMINATION OF MOLYBDENUM BY ADSORPTIVE CATHODIC STRIPPING VOLTAMMETRY

Author(s)

HAJIAN R. | SHAMS E. | Issue Writer Certificate

Keywords

ADSORPTIVE STRIPPING VOLTAMMETRY

MOLYBDENUM

MORIN

Abstract

Molybdenum is determined by adsorptive cathodic stripping voltammetry in 0.15 M nitric acid solution containing 15 μM 2’,3,4’,5,7-pentahydroxyflavone (morin) as a ligand. In this medium, molybdenum is preconcentrated on a hanging mercury drop electrode and stripped cathodically in square-wave voltammetry mode, with a peak potential of -350 mV vs. Ag/AgCl (saturated KCl). The effect of various parameters (ligand concentration, supporting electrolyte composition, accumulation potential and collection time) on the sensitivity and linear range of the calibration curve are discussed. With controlled accumulation for 1 min, the detection limit (3s) was 0.45 ng ml-1 molybdenum and the calibration curve is linear up to 70 ng ml-1. The procedure is applied to the determination of molybdenum in real samples with satisfactory results.

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APA: Copy

HAJIAN, R., & SHAMS, E.. (2006). TRACE DETERMINATION OF MOLYBDENUM BY ADSORPTIVE CATHODIC STRIPPING VOLTAMMETRY. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY(JICS), 3(1), 32-37. SID. https://sid.ir/paper/282063/en

Vancouver: Copy

HAJIAN R., SHAMS E.. TRACE DETERMINATION OF MOLYBDENUM BY ADSORPTIVE CATHODIC STRIPPING VOLTAMMETRY. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY(JICS)[Internet]. 2006;3(1):32-37. Available from: https://sid.ir/paper/282063/en

IEEE: Copy

R. HAJIAN, and E. SHAMS, “TRACE DETERMINATION OF MOLYBDENUM BY ADSORPTIVE CATHODIC STRIPPING VOLTAMMETRY,” JOURNAL OF THE IRANIAN CHEMICAL SOCIETY(JICS), vol. 3, no. 1, pp. 32–37, 2006, [Online]. Available: https://sid.ir/paper/282063/en

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