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PAHs in Surface Water

Application Note

Water Analysis Using LAMBDA UV-Visible Spectrophotometers: Nitrite Determination

PAHs in Surface Water

Introduction

Nitrite, occurs naturally in the environment as an intermediate of the nitrogen cycle through microbial decomposition of organic matter. However, nitrite contains nitrogen in a reasonably unstable oxidation state and readily oxidizes to nitrate. As a result, nitrite is present at considerably lower concentrations in ground and surface waters than nitrate1. Higher concentrations of nitrite are indicative of pollution by industrial wastewater or agricultural run-off. In this application, the quantitative analysis of nitrite-nitrogen was performed using the LAMBDA™ 265 UV-Vis spectrophotometer and CHEMetrics nitrite test kit.

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