Methods for chemical analysis of tungsten concentrates - Determination of tantalum content and niobium content - Inductively coupled plasma emission spectrometry and spectrophotometry
Chemical analysis methods for zirconium oxide and hafnium oxide—Determination of Al,Ca,Mg,Mn,Na,Ni,Fe,Ti,Zn,Mo,V,Hf content in zirconium oxide—Inductively coupled plasma atomic emission spectrometry
Chemical analysis methods for zirconium oxide and hafnium oxide—Determination of Al,Ca,Mg,Mn,Na,Ni,Fe,Ti,Zn,Mo,V,Zr content in hafnium oxide—Inductively coupled plasma atomic emission spectrometry