40.20 DIS ballot initiated: 12 weeks Aug 3, 2026
ISO
ISO/TC 206 Fine ceramics
International Standard
81.060.30 Advanced ceramics
This document specifies methods for the chemical analysis of metal impurities present in silicon dioxide powders as fine ceramics using inductively coupled plasma-mass spectrometery (ICP-MS).
It stipulates the methods for the determination of metal impurities in silicon dioxides powders. Silicon dioxide powders are decomposed by acid decomposition. The aluminium, calcium, cadmium, chromium, copper, iron, lead, lithium, magnesium, manganese, nickel, potassium, sodium, titanium, zinc, and zirconium contents in the test solution are determined by ICP-MS.
IN_DEVELOPMENT
ISO/DIS 5189-2
40.20
DIS ballot initiated: 12 weeks
Aug 3, 2026