KS D ISO 11438-1-2012 Ferronickel-Determination of trace-element content by electrothermal atomic absorption spectrometric method-Part 1:General requirement and sample dissolution
2016KS D ISO 11438-1:2016 Ferronickel-Determination of trace-element content by electrothermal atomic absorption spectrometric method-Part 1:General requirement and sample dissolution
2012KS D ISO 11438-1-2012 Ferronickel-Determination of trace-element content by electrothermal atomic absorption spectrometric method-Part 1:General requirement and sample dissolution