KS M ISO 5934:2006 Crude sodium borates for industrial use-Determination of alkali-soluble copper and manganese contents-Zinc bis(dibenzyldithiocarbamate) and formaldehyde oxime photometric methods
2010KS M ISO 5934:2010 Crude sodium borates for industrial use-Determination of alkali-soluble copper and manganese contents-Zinc bis(dibenzyldithiocarbamate) and formaldehyde oxime photometric methods
2006KS M ISO 5934:2006 Crude sodium borates for industrial use-Determination of alkali-soluble copper and manganese contents-Zinc bis(dibenzyldithiocarbamate) and formaldehyde oxime photometric methods