A New Water-soluble Chromogenic Indicator: An Application to the Determination of Chlorine in Aqueous Solutions

Ryo SAKAMOTO; Daikichi HORIGUCHI; Takashi IKEGAMI; Munetaka ISHIYAMA; Masanobu SHIGA; Kazumi SASAMOTO; Yoshiki KATAYAMA

doi:10.2116/analsci.19.1445

Analytical Sciences

Online ISSN : 1348-2246
Print ISSN : 0910-6340
ISSN-L : 0910-6340

Notes

A New Water-soluble Chromogenic Indicator: An Application to the Determination of Chlorine in Aqueous Solutions

Ryo SAKAMOTO, Daikichi HORIGUCHI, Takashi IKEGAMI, Munetaka ISHIYAMA, Masanobu SHIGA, Kazumi SASAMOTO, Yoshiki KATAYAMA

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JOURNAL FREE ACCESS

2003 Volume 19 Issue 10 Pages 1445-1447

DOI https://doi.org/10.2116/analsci.19.1445

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Abstract

A novel compound, N,N"-bis(2,4-di-sulfobenzyl)tolidine tetrasodium salt (SBT), was synthesized for use as a chromogenic indicator for oxidizing substances, and its applicability to the colorimetric determination of chlorine in water was examined.

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