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

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

2003

Ryo Sakamoto
Daikichi Horiguchi
Takashi Ikegami
Munetaka Ishiyama
Masanobu Shiga
Kazumi Sasamoto
Yoshiki Katayama

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.

Keywords:

Tolidine
Colorimetry
Environmental chemistry
Oxidizing agent
Quantitative analysis (chemistry)
Chromogenic
Chlorine
Nuclear chemistry
Chromatography
Aqueous solution
Tap water
Chemistry

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