DZ/T 0064.21-2021 Methods of analysis of groundwater quality - Part 21: Determination of copper, lead, zinc, cadmium, nickel, chromium, molybdenum and silver by flameless atomic absorption spectrophotometry (English Version)
1970DZ/T 0064.21-2021 Methods of analysis of groundwater quality - Part 21: Determination of copper, lead, zinc, cadmium, nickel, chromium, molybdenum and silver by flameless atomic absorption spectrophotometry
1993DZ/T 0064.21-1993 Groundwater quality inspection methods- Electrothermal atomization atomic absorption spectrometry for the determination of copper, lead, zinc, cadmium, cobalt and chromium