ISO 17942:2014
Fine ceramics (advanced ceramics, advanced technical ceramics) - Methods for chemical analysis of boron nitride powders

Standard No.

ISO 17942:2014

Release Date

2014

Published By

International Organization for Standardization (ISO)

Latest

ISO 17942:2014

Scope

This International Standard specifies the methods for the chemical analysis of fine boron nitride powders used as the raw material for fine ceramics. This International Standard stipulates the analysis methods of total boron, free boron, total nitrogen, aluminium, cadmium, calcium, chromium, cobalt, copper, iron, lead, magnesium, manganese, nickel, potassium, silicon, sodium, titanium, vanadium, zinc, carbon, and oxygen in boron nitride powders for fine ceramics. Total boron is determined by using either a fusion–titration method or a fusion–inductively coupled plasma-optical emission spectrometry (ICP-OES). Free boron is determined by using either an acid digestion–ICP-OES or a methanol extraction–ICP-OES. If necessary, the boron amount which arises from the hydrolysis of boron nitride during sample treatment is corrected using spectrophotometry. Total nitrogen is determined by using either an acid pressure decomposition–distillation separation–titration method or an inert gas fusion–thermal conductivity method. Silicon is determined by using a fusion– ICP-OES. Aluminium, cadmium, calcium, chromium, cobalt, copper, iron, lead, magnesium, manganese, nickel, titanium, vanadium, zinc are determined by using an acid pressure decomposition–ICP-OES or a fusion–ICP-OES. Sodium and potassium are determined by using atomic absorption spectrometry (AAS), flame emission spectrometry (FES), or ICP-OES following acid pressure decomposition. Carbon is determined by using a combustion–IR absorption spectrometry or a combustion–thermal conductivity method. Oxygen is determined by using an inert gas fusion–IR absorption spectrometry.

ISO 17942:2014 Referenced Document

• EN 12698-1:2007 Chemical analysis of nitride bonded silicon carbide refractories - Part 1: Chemical methods
• ISO 1042:1998 Laboratory glassware - One-mark volumetric flasks
• ISO 31-0:1992 Quantities and units; part 0: general principles
• ISO 3310-1:2000 Test sieves - Technical requirements and testing - Part 1: Test sieves of metal wire cloth
• ISO 3696:1987 Water for analytical laboratory use; Specification and test methods
• ISO 3819:1985 Laboratory glassware — Beakers
• ISO 385-1:1984 Laboratory glassware; Burettes; Part 1 : General requirements
• ISO 5725-2:1994 Accuracy (trueness and precision) of measurement methods and results - Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method
• ISO 5725-6:1994 Accuracy (trueness and precision) of measurement methods and results - Part 6: Use in practice of accuracy values
• ISO 6353-1:1982 Reagents for chemical analysis; Part 1 : General test methods
• ISO 6353-2:1983 Reagents for chemical analysis; Part 2 : Specifications; First series
• ISO 6353-3:1987 Reagents for chemical analysis; Part 3 : Specifications; Second series
• ISO 6955:1982 Analytical spectroscopic methods; Flame emission, atomic absorption, and atomic fluorescence; Vocabulary Bilingual edition
• ISO 836:2001 Terminology for refractories
• ISO 8656-1:1988 Refractory products; sampling of raw materials and unshaped products; part 1: sampling scheme
• ISO 9138:1993 Abrasive grains; sampling and splitting

ISO 17942:2014 history

• 2014 ISO 17942:2014 Fine ceramics (advanced ceramics, advanced technical ceramics) - Methods for chemical analysis of boron nitride powders