Abstract
AbstractGreen, sensitive and selective spectrophotometric methods were developed for the determination of nitrite in water samples. The methods (A, B and C) are based on the reduction of 5-nitroimidazoles; metronidazole (MTL), secnidazole (SCL) and tinidazole (TNL), respectively, followed by diazotization using nitrite in acidic medium, then coupling with pyrogallol (PG). The amount of nitrite was determined by measuring the absorbance of the colored product at 385 nm. The new methods were linear in the ranges of 2.5–30 μgml
Subject
Health, Toxicology and Mutagenesis,Industrial and Manufacturing Engineering,Fuel Technology,Renewable Energy, Sustainability and the Environment,General Chemical Engineering,Environmental Chemistry
Cited by
6 articles.
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