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prEN ISO 17947-1

Fine ceramics (advanced ceramics, advanced technical ceramics) - Methods for chemical analysis of silicon nitride powders - Part 1: Wet chemical methods, X-ray fluorescence (XRF) using the fused cast-bead method, carrier-gas hot extraction (CGHE) and combustion methods (ISO/DIS 17947-1:2025)

Draft New
Comment end date 2026-03-03
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Project stage codes

1. Decision on WI Proposal
2. Projektas
3. Viešoji apklausa
From 2026-01-02 till 2026-03-03
4. Closure of enquiry
5. Submission to Formal Vote

Organisation

CEN Europos standartizacijos komitetas

ICS

81.060.30 - Advanced ceramics

ForeignTC'S

CEN/TC 184

Number of comments

0

Comment start date

2026-01-02

Scope

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.

Relations

Pakeis
LST EN ISO 17947:2023

Fine ceramics (advanced ceramics, advanced technical ceramics) - Methods for chemical analysis of fine silicon nitride powders (ISO 17947:2014)