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2001•Chinese Journal of Spectroscopy LaboratoryRequires access

Study on Color Reaction of Fe(III) with New Reagent Meso Tetra(4-Methoxy-4-Sulphocphenyl)Poyphyrin ( p-OCH_3TPPS_4) and Its Application

Gu Da

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Abstract

A highly sensitive spectrophotometric method has been developed for the determination of trace iron,based on the color reaction of iron(Ⅲ) with meso tetra(4\|methoxy 4 sulfoncphenyl)poyphyrin( p OCH 3TPPS 4) in the medium of pH=3.5-5.5.The apparent molar absorptivity of the complex is 2.0×10\+4L·mol -1 ·cm -1 at 446nm.Beer's law is obeyed for iron in the range of 0-10μg/25mL.The method was used for the determination of iron in the peanut shell with satisfactory results.

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A highly sensitive spectrophotometric method has been developed for the determination of trace iron,based on the color reaction of iron(Ⅲ) with meso tetra(4\|methoxy 4 sulfoncphenyl)poyphyrin( p OCH 3TPPS 4) in the medium of pH=3.5-5.5.The apparent molar absorptivity of the complex is 2.0×10\+4L·mol -1 ·cm -1 at 446nm.Beer's law is obeyed for iron in the range of 0-10μg/25mL.The method was used for the determination of iron in the peanut shell with satisfactory results.

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Available abstract

A highly sensitive spectrophotometric method has been developed for the determination of trace iron,based on the color reaction of iron(Ⅲ) with meso tetra(4\|methoxy 4 sulfoncphenyl)poyphyrin( p OCH 3TPPS 4) in the medium of pH=3.5-5.5.The apparent molar absorptivity of the complex is 2.0×10\+4L·mol -1 ·cm -1 at 446nm.Beer's law is obeyed for iron in the range of 0-10μg/25mL.The method was used for the determination of iron in the peanut shell with satisfactory results.

Key concepts: Molar absorptivity, Reagent, Color reaction, Tetra, Chemistry, Spectrophotometry, Nuclear chemistry, Inorganic chemistry

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Study on Color Reaction of Fe(III) with New Reagent Meso Tetra(4-Methoxy-4-Sulphocphenyl)Poyphyrin ( p-OCH_3TPPS_4) and Its Application — Research Paper | ScholarLens