2004•Analytical LaboratoryRequires access
Fluorimetric kinetic method for determination of phenylhydrazine based on the inhibitory effect
Suling Feng
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Abstract
A simple and sensitive fluorimetric method for determination of phenylhydrazine was described. This method was based on the inhibitory effect of phenylhydrazine on the reaction of pyronine Y with nitrite in sulfuric acid medium. The detection limit for phenylhydrazine was 7.2 ng/mL, the linear range of the determination was 8.0～60 ng/mL. The method was used to determine phenylhydrazine in water samples with satisfactory results.