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An automated spectrophotometric method for the direct determination of nitrite and nitrate in seawater: Nitrite removal with sulfamic acid before nitrate reduction using the vanadium reduction method

Environmental ChemistryChemical EngineeringEngineeringChemical OceanographyEnvironmental EngineeringEnvironmental Analytical ChemistryMarine PollutionMarine ChemistryWater QualityNitrite RemovalSulfamic AcidVanadium Reduction MethodWater Analysis