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2006•Journal of Instrumental AnalysisRequires access

Simultaneous Determination of Isonacin and 4-Methylpyridine in the Electro-oxysynthesis Solution of Isonacin by Double-wavelength UV Spectrophotometric

XU Hai-sheng

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Abstract

A method for the determination of isoniacin and 4-methylpyridine(4-MP) in the electro-oxysynthesis solution of isonacin by double-wavelength UV spectrophotometry was developed.The wavelengths selected were 258 nm and 269 nm.Experimental results showed that isoniacin and 4-MP have a good additive absorbance property in H_2SO_4 solution.The detection limits for isoniacin and 4-MP were 3.5 μmol/L and 3.8 μmol/L, respectively.The average relative standard deviation and recovery for isoniacin were 1.35% and 99%,respectively,and those for 4-MP were 0.83% and 100%,respectively.

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What this paper is about

A method for the determination of isoniacin and 4-methylpyridine(4-MP) in the electro-oxysynthesis solution of isonacin by double-wavelength UV spectrophotometry was developed.The wavelengths selected were 258 nm and 269 nm.Experimental results showed that isoniacin and 4-MP have a good additive absorbance property in H_2SO_4 solution.The detection limits for isoniacin and 4-MP were 3.5 μmol/L and 3.8 μmol/L, respectively.The average relative standard deviation and recovery for isoniacin were 1.35% and 99%,respectively,and those for 4-MP were 0.83% and 100%,respectively.

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Available abstract

A method for the determination of isoniacin and 4-methylpyridine(4-MP) in the electro-oxysynthesis solution of isonacin by double-wavelength UV spectrophotometry was developed.The wavelengths selected were 258 nm and 269 nm.Experimental results showed that isoniacin and 4-MP have a good additive absorbance property in H_2SO_4 solution.The detection limits for isoniacin and 4-MP were 3.5 μmol/L and 3.8 μmol/L, respectively.The average relative standard deviation and recovery for isoniacin were 1.35% and 99%,respectively,and those for 4-MP were 0.83% and 100%,respectively.

Key concepts: Chemistry, Absorbance, Wavelength, Spectrophotometry, Relative standard deviation, Analytical Chemistry (journal), Chromatography, Standard deviation

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Simultaneous Determination of Isonacin and 4-Methylpyridine in the Electro-oxysynthesis Solution of Isonacin by Double-wavelength UV Spectrophotometric — Research Paper | ScholarLens