DZ/T 0064.12-2021 Methods for analysis of groundwater quality - Part 12: Determination of calcium and magnesium content by flame atomic absorption spectrophotometry (English Version)
1970DZ/T 0064.12-2021 Methods for analysis of groundwater quality - Part 12: Determination of calcium and magnesium content by flame atomic absorption spectrophotometry
1993DZ/T 0064.12-1993 Examination methods for groundwater quality Determination of calcium and magnesium by flame atomic absorption spectrometry