Nitrate (as Nitrogen) Standard, 1000 ppm, (1mL = 1mg N, 1mL = 4.43mg NO__)
Manufacturer: LabChem
Chemical Solution, Nitrate (as Nitrogen) Standard, 1000 ppm, (1mL = 1mg N, 1mL = 4.43mg NO__), LabChem, Traceable to NIST, APHA 4500-NO__ E, ASTM D3867-04 A,B