Steel — Determination of Mo, Nb and W contents in alloyed steel — Inductively coupled plasma atomic emission spectrometric method — Part 2: Determination of Nb content
ISO 13899-2:2005 specifies a method for the determination of the niobium content in steel by means of inductively coupled plasma emission spectrometry.
This method is applicable to niobium contents between 0,005 and 5 % (mass fraction).