CATALYTIC SPECTROPHOTOMETRIC DETERMINATION OF VANADIUM (IV) BASED ON THE OXIDATION OF ALKALI BLUE BY POTASSIUM BROMATE

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ABBASPOUR A.; MOUSAVI S.M.M.; MIRZA JANI R.

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Paper Information

Journal: IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION A- SCIENCE Year:2007 | Volume:31 | Issue:A3 Page(s): 231-239

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Title

CATALYTIC SPECTROPHOTOMETRIC DETERMINATION OF VANADIUM (IV) BASED ON THE OXIDATION OF ALKALI BLUE BY POTASSIUM BROMATE

Author(s)

ABBASPOUR A. | MOUSAVI S.M.M. | MIRZA JANI R. | Issue Writer Certificate

Keywords

CATALYTICQ3

VANADIUM (IV)Q3

ALKALI BLUEQ3

SPECTROPHOTOMETRICQ3

Abstract

A simple, rapid and sensitive SPECTROPHOTOMETRIC method has been proposed for the determination of Vanadium (IV). The method is based on the CATALYTIC effect of V (IV) on the oxidation of ALKALI BLUE by potassium bromate at pH 4. The rate of decrease in the absorbance of ALKALI BLUE (at 572 nm) was proportional to the concentration of V (IV) in the range of 100-6000 ng ml-1. The detection limit was 40 ng ml-1. The proposed method shows a good selectivity for V (IV) over a wide variety of interference species. It is also valuable in that the presence of a 400 fold excess of V (V) can be tolerable, contrary to many methods for the determination of V (IV) which suffer from severe interference of V (V). This method was successfully applied to the determination of V (IV) in river water, alloy samples and several synthetic samples.

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APA: Copy

ABBASPOUR, A., MOUSAVI, S.M.M., & MIRZA JANI, R.. (2007). CATALYTIC SPECTROPHOTOMETRIC DETERMINATION OF VANADIUM (IV) BASED ON THE OXIDATION OF ALKALI BLUE BY POTASSIUM BROMATE. IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION A- SCIENCE, 31(A3), 231-239. SID. https://sid.ir/paper/117908/en

Vancouver: Copy

ABBASPOUR A., MOUSAVI S.M.M., MIRZA JANI R.. CATALYTIC SPECTROPHOTOMETRIC DETERMINATION OF VANADIUM (IV) BASED ON THE OXIDATION OF ALKALI BLUE BY POTASSIUM BROMATE. IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION A- SCIENCE[Internet]. 2007;31(A3):231-239. Available from: https://sid.ir/paper/117908/en

IEEE: Copy

A. ABBASPOUR, S.M.M. MOUSAVI, and R. MIRZA JANI, “CATALYTIC SPECTROPHOTOMETRIC DETERMINATION OF VANADIUM (IV) BASED ON THE OXIDATION OF ALKALI BLUE BY POTASSIUM BROMATE,” IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION A- SCIENCE, vol. 31, no. A3, pp. 231–239, 2007, [Online]. Available: https://sid.ir/paper/117908/en

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