Excess nitrate in effluents can be problematic because it can lead to contamination of groundwater and subsequent environmental problems. One of these issues is eutrophication—excessive growth of algae and plants—which can adversely affect aquatic ecosystems.1 As a result, monitoring nitrate levels is critical for environmental reasons. Here we describe nitrate determination in effluents using photometry and Spectroquant® Nitrate Test Kits.
The test kit catalog numbers apply for the following methods:
One of the following test kits is necessary for this analysis
*Not compatible with Move 100
One of the following instruments is necessary for this analysis
Items 1.14542 and 1.14773 tolerate high chloride contents samples (> 1000 mg/l). The tolerance of COD is low for both (1%). Items 1.14563, 1.09713 tolerate high chloride (1000 mg/l) and COD contents (500 mg/l) but no coloration.
Cloudy samples must be filtered before determination.
Determine with the above-mentioned test kits.
Nitrate content in mg/l NO3-N = analysis value in mg/l NO3-N
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