This standard specifies the method for the determination of nitrate radicals by ultraviolet spectrophotometry. This standard is applicable to the determination of nitrate content in groundwater. The minimum detection volume is 1Oug, and the optimal concentration range is 0.2~20mg/L.
DZ/T 0064.59-1993 history
1970DZ/T 0064.59-2021 Methods of Analytical Groundwater Quality Part 59: Determination of Nitrate by Ultraviolet Spectrophotometry
1993DZ/T 0064.59-1993 Groundwater Quality Examination Method Determination of Nitrate by Ultraviolet Spectrophotometry