Method for determining total chlorine amount and a kit for deter

Details Method for determining total chlorine amount and a kit for deter Method for determining total chlorine amount and a kit for deter

1996-09-03

1999-10-26

Snay, Jeffrey

Chemistry: analytical and immunological testing

Halogen containing

In aqueous solution

436164, 422 61, G01N 2129

Patent

active

059727136

ABSTRACT:
A method for determining total chlorine amount present in a sample by mixing the sample with a benzidine indicator solution comprising a benzidine compound capable of forming a dye by a reaction with a chlorine, wherein the hue of the formed dye changes depending upon the mole ratio of the chlorine to benzidine compound and determining the total chlorine amount from the hue. A kit for practicing the method incudes the indicator and a color scale for the hues of the dye.

REFERENCES:
patent: 1986403 (1935-01-01), Lehmkuhl
patent: 4092115 (1978-05-01), Rupe et al.
patent: 4339243 (1982-07-01), Magers et al.
patent: 4716110 (1987-12-01), Wada et al.
patent: 5362650 (1994-11-01), Harp
patent: 5491094 (1996-02-01), Ramana et al.
Derwent Publications Ltd., Class D04 AN 94-046034 of JP-A-06 003 346 (1994) .

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