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ISO/PRF 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

General information

50.20     Aug 13, 2026

ISO

ISO/TC 206

International Standard

81.060.30  

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.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 17947:2014

NOW

PROJECT
ISO/PRF 17947-1
50.20 Proof sent to secretariat or FDIS ballot initiated: 8 weeks
Aug 13, 2026

National adoptions

naSRPS EN ISO 17947-1:2023  
ISS

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)

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