A new water-soluble chromogenic indicator: an application to the determination of chlorine in aqueous solutions.
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.
Sakamoto
Ryo
R
Dojindo Laboratories, Tabaru 2025-5, Mashiki-machi, Kumamoto 861-2202, Japan.
Horiguchi
Daikichi
D
Ikegami
Takashi
T
Ishiyama
Munetaka
M
Shiga
Masanobu
M
Sasamoto
Kazumi
K
Katayama
Yoshiki
Y