DZ/T 0064.51-2021 Analytical methods of groundwater quality - Part 51: Determination of chloride, fluoride, bromide, nitrate and sulfate by ion chromatography (English Version)
1970DZ/T 0064.51-2021 Analytical methods of groundwater quality - Part 51: Determination of chloride, fluoride, bromide, nitrate and sulfate by ion chromatography
1993DZ/T 0064.51-1993 Groundwater quality testing methods - Determination of chloride, fluoride, bromide, nitrate and sulfate by ion chromatography