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2001•Journal of Hubei Institute for NationalitiesRequires access

Catalytic spectrophotometric determination of Iron(III) using Iron(III)-KBrO_3- 2,4,6-trichloro chlorophosphonazo system

Yan Li

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Abstract

A catalytic spectrophotometric method is adopted to deterinine amounts of Iron(Ⅲ) on the oxidation fading reaction of 2,4,6-trichloro chlorophosphonazo with KBrO 3 in sulfuric acid .The sensitivity of the method is 3.3 μg/L .Beer law obeyed in the range of concentration of Iron(Ⅲ) from 0 to 6μg/L. The method is applicable to the determination of trace amount of Iron(Ⅲ) of standard sample of rice and active carbon results obtained are satisfacroty.

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A catalytic spectrophotometric method is adopted to deterinine amounts of Iron(Ⅲ) on the oxidation fading reaction of 2,4,6-trichloro chlorophosphonazo with KBrO 3 in sulfuric acid .The sensitivity of the method is 3.3 μg/L .Beer law obeyed in the range of concentration of Iron(Ⅲ) from 0 to 6μg/L. The method is applicable to the determination of trace amount of Iron(Ⅲ) of standard sample of rice and active carbon results obtained are satisfacroty.

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Available abstract

A catalytic spectrophotometric method is adopted to deterinine amounts of Iron(Ⅲ) on the oxidation fading reaction of 2,4,6-trichloro chlorophosphonazo with KBrO 3 in sulfuric acid .The sensitivity of the method is 3.3 μg/L .Beer law obeyed in the range of concentration of Iron(Ⅲ) from 0 to 6μg/L. The method is applicable to the determination of trace amount of Iron(Ⅲ) of standard sample of rice and active carbon results obtained are satisfacroty.

Key concepts: Chemistry, Sulfuric acid, Catalysis, Spectrophotometry, Nuclear chemistry, Detection limit, Inorganic chemistry, Chromatography

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Catalytic spectrophotometric determination of Iron(III) using Iron(III)-KBrO_3- 2,4,6-trichloro chlorophosphonazo system — Research Paper | ScholarLens