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APHA
SMWW 4500-N03-
Nitrogen (Nitrate)
2023
17
Standard methods for the examination of water and wastewater (543.3 APHA 24th ed. Ref. Treatises&monographs FL2)
Nitrate (NO3−) determination can be difficult because of the high probability that interfering constituents are present in various matrices. This section includes numerous methods that can be used to detect NO3−. Consider the advantages and limitations of each method when selecting a test strategy by reviewing the sample matrix, concentration range, and data needs for a particular application...