NF EN ISO 23739, B42-012 (08/2023)

This document specifies methods for the chemical analysis of zirconium oxide powders used as raw materials for technical ceramics. It stipulates the methods for determining the contents of zirconium, aluminum, barium, calcium, cerium, cobalt, gadolinium, hafnium, iron, magnesium, potassium, silicon, sodium, strontium, titanium and yttrium in zirconium oxide powders for technical ceramics. The test sample is decomposed by acid pressure decomposition or alkaline fusion. Zirconium and yttrium contents are determined using either a precipitation and gravimetric method or an inductively coupled plasma optical emission spectrometry (ICP–OES) method. The contents of aluminum, barium, calcium, cerium, cobalt, gadolinium, hafnium, iron, magnesium, potassium, silicon, sodium, strontium and titanium are determined by the ICP–OES method.
(Automatic translation from French)