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2013•Chinese Journal of Spectroscopy LaboratoryRequires access

Spectrophotometric Determination of Trace Phenol by Its Inhibitory Effect on the Oxidation-Decoloration of Methyl Orange with Potassium Bromate

LV Jian

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Abstract

A spectrophotometric method for the determination of phenol,which based on its inhibitory effect to the oxidation reaction of methyl orange with potassium bromate in acid medium was described.Phenol could be determined in the concentration range of 0.1—1.0μg/mL and detection limit of the method is 0.08μg/mL for phenol.Test of precision was made at the concentration level of 0.5μg/mL of phenol for 11 multiplicate determinations,and the RSD was 1.52%.In the application of this methed to determination of phenol in sample waste,the result was satisfied.

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What this paper is about

A spectrophotometric method for the determination of phenol,which based on its inhibitory effect to the oxidation reaction of methyl orange with potassium bromate in acid medium was described.Phenol could be determined in the concentration range of 0.1—1.0μg/mL and detection limit of the method is 0.08μg/mL for phenol.Test of precision was made at the concentration level of 0.5μg/mL of phenol for 11 multiplicate determinations,and the RSD was 1.52%.In the application of this methed to determination of phenol in sample waste,the result was satisfied.

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Available abstract

A spectrophotometric method for the determination of phenol,which based on its inhibitory effect to the oxidation reaction of methyl orange with potassium bromate in acid medium was described.Phenol could be determined in the concentration range of 0.1—1.0μg/mL and detection limit of the method is 0.08μg/mL for phenol.Test of precision was made at the concentration level of 0.5μg/mL of phenol for 11 multiplicate determinations,and the RSD was 1.52%.In the application of this methed to determination of phenol in sample waste,the result was satisfied.

Key concepts: Potassium bromate, Phenol, Chemistry, Detection limit, Orange (colour), Methyl orange, Bromate, Chromatography

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Spectrophotometric Determination of Trace Phenol by Its Inhibitory Effect on the Oxidation-Decoloration of Methyl Orange with Potassium Bromate — Research Paper | ScholarLens