KS D ISO 11438-6-2012 Ferronickel-Determination of trace-element content by electrothermal atomic absorption spectrometric method-Part 6:Determination of thallium content
2016KS D ISO 11438-6:2016 Ferronickel-Determination of trace-element content by electrothermal atomic absorption spectrometric method-Part 6:Determination of thallium content
2012KS D ISO 11438-6-2012 Ferronickel-Determination of trace-element content by electrothermal atomic absorption spectrometric method-Part 6:Determination of thallium content