New Methods for the Colorimetric Determination of Halogen Residuals. Part I. Iodine, Iodide, and Iodate: Fid-Bau Portal

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New Methods for the Colorimetric Determination of Halogen Residuals. Part I. Iodine, Iodide, and Iodate

Black, A. P. / Whittle, G. P.

This article discusses a rapid, sensitive, and accurate colorimetric method that has been developed for the determination of iodine residuals in water in the presence of free and combined chlorine. The article also discusses a colorimetric method for the determination of iodide ion (I‐) residuals that has been developed using potassium peroxymonosulfate, KHS0₅, first to oxidize the iodide ion to iodine. Similarly, the iodate ion (I0₃‐), may be determined colorimetrically by the controlled addition of iodide ions and acid and the resulting production of elemental I₂. The reaction is stoichiometric and the concentration of iodate ion may be related to the iodine liberated.

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New Methods for the Colorimetric Determination of Halogen Residuals. Part I. Iodine, Iodide, and Iodate

Black, A. P. / Whittle, G. P.

This article discusses a rapid, sensitive, and accurate colorimetric method that has been developed for the determination of iodine residuals in water in the presence of free and combined chlorine. The article also discusses a colorimetric method for the determination of iodide ion (I‐) residuals that has been developed using potassium peroxymonosulfate, KHS0₅, first to oxidize the iodide ion to iodine. Similarly, the iodate ion (I0₃‐), may be determined colorimetrically by the controlled addition of iodide ions and acid and the resulting production of elemental I₂. The reaction is stoichiometric and the concentration of iodate ion may be related to the iodine liberated.

New Methods for the Colorimetric Determination of Halogen Residuals. Part I. Iodine, Iodide, and Iodate

Black, A. P. / Whittle, G. P.

This article discusses a rapid, sensitive, and accurate colorimetric method that has been developed for the determination of iodine residuals in water in the presence of free and combined chlorine. The article also discusses a colorimetric method for the determination of iodide ion (I‐) residuals that has been developed using potassium peroxymonosulfate, KHS0₅, first to oxidize the iodide ion to iodine. Similarly, the iodate ion (I0₃‐), may be determined colorimetrically by the controlled addition of iodide ions and acid and the resulting production of elemental I₂. The reaction is stoichiometric and the concentration of iodate ion may be related to the iodine liberated.

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Title:

New Methods for the Colorimetric Determination of Halogen Residuals. Part I. Iodine, Iodide, and Iodate

Contributors:

Black, A. P. (author) / Whittle, G. P. (author)

Published in:

Journal ‐ American Water Works Association ; 59 ; 471-490

Publication date:

1967-04-01

Size:

20 pages

ISSN:

1551-8833 , 0003-150X

DOI:

https://doi.org/10.1002/j.1551-8833.1967.tb03377.x

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

Halogens , Iodine , Acids , Potassium , Chlorine , Detection Methods

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