The specifications include a method for extracting thallium from soil with nitric acid and hydrogen peroxide and electrothermal atomic absorption spectrophotometry (ET).
KS I ISO 20279:2006 history
0000 KS I ISO 20279-2006(2011)
2006KS I ISO 20279:2006 Soil quality-Extraction of thallium and determination by electrothermal atomic absorption spectrometry