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Photometric Determination of Iodine in Salt

Hu Z

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Abstract

It is found that in an H\-2SO\-4 medium, I\+- is oxidized by iodate. As a result, three times I\-3\+- is produced. While I\-3\+- had the maximum absorption at the wavelength of 288 nm, and the apparent molar absorptivity obtained at this wavelength is 1.3 x 10\+5 L·mol\+ -1·cm\+ -1. The study also suggests that in the range of 0-60 ug/100ml the concentration of iodate fit Beer's Law.

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What this paper is about

It is found that in an H\-2SO\-4 medium, I\+- is oxidized by iodate. As a result, three times I\-3\+- is produced. While I\-3\+- had the maximum absorption at the wavelength of 288 nm, and the apparent molar absorptivity obtained at this wavelength is 1.3 x 10\+5 L·mol\+ -1·cm\+ -1. The study also suggests that in the range of 0-60 ug/100ml the concentration of iodate fit Beer's Law.

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Available abstract

It is found that in an H\-2SO\-4 medium, I\+- is oxidized by iodate. As a result, three times I\-3\+- is produced. While I\-3\+- had the maximum absorption at the wavelength of 288 nm, and the apparent molar absorptivity obtained at this wavelength is 1.3 x 10\+5 L·mol\+ -1·cm\+ -1. The study also suggests that in the range of 0-60 ug/100ml the concentration of iodate fit Beer's Law.

Key concepts: Iodate, Molar absorptivity, Iodine, Wavelength, Absorption (acoustics), Salt (chemistry), Chemistry, Analytical Chemistry (journal)

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