Method: photometric 0.002 - 1.00 mg/l NO₂-N 0.007 - 3.28 mg/l NO₂⁻ Spectroquant
The method is analogous to EPA 354.1, APHA 4500-NO2- B, and DIN EN 26 777.
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Method: photometric 0.002 - 1.00 mg/l NO₂-N 0.007 - 3.28 mg/l NO₂⁻ Spectroquant
The method is analogous to EPA 354.1, APHA 4500-NO2- B, and DIN EN 26 777.