KS I ISO 11047:2019 Soil quality — Determination of cadmium, chromium, cobalt, copper,lead, manganese, nickel and zinc in aqua regia extracts of soil —Flame and electrothermal atomic absorption spectrometric methods
2019KS I ISO 11047:2019 Soil quality — Determination of cadmium, chromium, cobalt, copper,lead, manganese, nickel and zinc in aqua regia extracts of soil —Flame and electrothermal atomic absorption spectrometric methods
2009KS I ISO 11047:2009 Soil quality-Determination of cadmium, chromium, cobalt, copper, lead, manganese, nickel and zinc in aqua regia extracts of soil-Flame and electrothermal atomic absorption spectrometric methods