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AWPA A17

2015 Edition, January 1, 2015

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STANDARD FOR DETERMINATION OF QUATERNARY AMMONIUM COMPOUNDS IN ACQ SOLUTIONS



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Description / Abstract:

This method is applicable to the determination of didecyldimethylammonium & alkyldimethylbenzylammonium quaternary compounds in ACQ solutions by titration using sodium tetraphenylboron as titrant and 2',7'-dichlorofluorescein as a color indicator. For ACQ concentrates, a suitable dilution before the analysis is required. In the case of alkaline ACQ solutions, the solution should be first neutralized. The end point of the titration will be indicated by a solution color change from purple-pink to lemon-green.