Method of detecting the concentration of an active...

Details Method of detecting the concentration of an active... Method of detecting the concentration of an active...

G - Physics

01

N

150/26, 150/7, 7

G01N 21/63 (2006.01) C09K 11/06 (2006.01) G01N 31/22 (2006.01) G01N 33/18 (2006.01)

Patent

CA 2029839

A-17830/=/MA 1979 Method of detecting the concentration of an active ingredient in an aqueous system Abstract of the Disclosure The present invention provides a method of detecting the concentration of an active ingredient present in an aqueous system, comprising (1) incorporating into the aqueous system, a mixture comprising a known amount of the active ingredient and a knownamount of an ultra-violet sensitive compound having the formula (I): Image wherein halogen is chlorine or bromine; X is -CN, -SO3M, -SO2NH-C2H5, -SO2NH(CH2)3N(CH3)2, -SO2CH2CH2OH or Image ; and a and b, independently, are 0 or 1; M is hydrogen or an alkaline metal ion; and (2) detecting the concentration of the compound of formula I, by exposing to ultra-violet light a sample of the aqueous system so treated.

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