TRACE AMOUNTS DETERMINATION OF VANADIUM (V) USING A NEW KINETIC-CATALYTIC REACTION SYSTEM

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SHISHEHBORE M.R.; JOKAR R.; DASHTI KHAVIDAKI H.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Paper Information

Journal: JOURNAL OF PHYSICAL AND THEORETICAL CHEMISTRY Year:2012 | Volume:9 | Issue:1 Page(s): 21-28

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Title

TRACE AMOUNTS DETERMINATION OF VANADIUM (V) USING A NEW KINETIC-CATALYTIC REACTION SYSTEM

Author(s)

SHISHEHBORE M.R. | JOKAR R. | DASHTI KHAVIDAKI H. | Issue Writer Certificate

Keywords

CARMINIC ACIDQ2

KINETICQ2

SPECTROPHOTOMETERYQ1

VANADIUM (V)Q2

Abstract

This study describes a new simple, sensitive and selective catalytic KINETIC spectrophotometric method for the determination of vanadium (V). The method is based upon the catalytic effect of vanadium (V) on the oxidation of CARMINIC ACID by bromate in sulfuric acid media. The reaction was followed spectrophotometrically by measuring the decrease in absorbance at 490 nm and the dependence of sensitivity on the effective reaction variables was studied. Under optimum experimental conditions, the fixed time procedure was used to obtain a calibration curve over the range of 0.05–10.8 mg mL-1of vanadium (V). The calculated detection limit was 0.015 mg mL-1 for twelve replicate measurement of blank signal. The relative standard deviations (n=6) were 1.12, 0.98% for 2.0, 8.0 mg mL-1 of vanadium (V), respectively. The effect of various species commonly associated with vanadium (V) in real samples was also investigated. The proposed method was successfully applied for the determination of vanadium (V) in water and standard alloy samples.

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APA: Copy

SHISHEHBORE, M.R., JOKAR, R., & DASHTI KHAVIDAKI, H.. (2012). TRACE AMOUNTS DETERMINATION OF VANADIUM (V) USING A NEW KINETIC-CATALYTIC REACTION SYSTEM. JOURNAL OF PHYSICAL AND THEORETICAL CHEMISTRY, 9(1), 21-28. SID. https://sid.ir/paper/207670/en

Vancouver: Copy

SHISHEHBORE M.R., JOKAR R., DASHTI KHAVIDAKI H.. TRACE AMOUNTS DETERMINATION OF VANADIUM (V) USING A NEW KINETIC-CATALYTIC REACTION SYSTEM. JOURNAL OF PHYSICAL AND THEORETICAL CHEMISTRY[Internet]. 2012;9(1):21-28. Available from: https://sid.ir/paper/207670/en

IEEE: Copy

M.R. SHISHEHBORE, R. JOKAR, and H. DASHTI KHAVIDAKI, “TRACE AMOUNTS DETERMINATION OF VANADIUM (V) USING A NEW KINETIC-CATALYTIC REACTION SYSTEM,” JOURNAL OF PHYSICAL AND THEORETICAL CHEMISTRY, vol. 9, no. 1, pp. 21–28, 2012, [Online]. Available: https://sid.ir/paper/207670/en

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