99.60 Withdrawal effective Nov 4, 2026
CEN
CEN/TC 184 Advanced technical ceramics
European Norm
81.060.30 Advanced ceramics
Published
This document specifies the methods for the chemical analysis of fine silicon nitride powders used as the raw material for fine ceramics. It stipulates the determination methods of total silicon, total nitrogen, aluminium, iron, calcium, oxygen, carbon, fluorine, and chlorine in fine silicon nitride powders.
WITHDRAWN
EN ISO 17947:2023
99.60
Withdrawal effective
Nov 4, 2026
PUBLISHED
EN ISO 17947-1:2026