1970DZ/T 0064.42-2021 Methods for analysis of groundwater quality - Part 42: Determination of calcium, magnesium, potassium, sodium, aluminum, iron, strontium, barium and manganese by inductively coupled plasma emission spectrometry
1993DZ/T 0064.42-1993 Groundwater Quality Inspection Method Determination of Strontium and Barium by Inductively Coupled Plasma Atomic Emission Spectrometry