Reference
Method
Test
Reagent #
Reagent Name
EPA
Spectrophotometric, Cadmium Reduction
Nitrogen, Nitrate-Nitrite
6.13
Standard Nitrate Solution: 1.0 mL = 0.01 mg NO3-N
APHA
Automated Cadmium Reduction Method
Nitrogen (Nitrate)
3j
Intermediate Nitrate Solution
APHA
Automated Hydrazine Reduction Method
Nitrogen (Nitrate)
3i
Intermediate Nitrate Solution
APHA
Cadmium Reduction Method
Nitrogen (Nitrate)
3i
Intermediate Nitrate Solution
APHA
Ultraviolet Spectrophotometric Screening Method
Nitrogen (Nitrate)
3c
Intermediate Nitrate Solution