This standard specifies the method for the determination of potassium and sodium by direct flame emission spectrometry. This standard applies to the determination of potassium and sodium in groundwater.
DZ/T 0064.27-1993 history
1970DZ/T 0064.27-2021 Methods of analysis of groundwater quality - Part 27: Determination of potassium and sodium by flame emission spectrometry
1993DZ/T 0064.27-1993 Examination methods for groundwater quality Determination of potassium and sodium by flame emission spectrometry