British Standards Institution

Source:: ISO
Committee:: RPI/13 - Advanced technical ceramics
Categories:: Ceramics. Advanced
Comment period start date:: 24/12/2024
Comment period end date:: 16/02/2025
Number of comments:: 0

Comment by:

16th Feb

Scope

This document specifies the methods for the chemical analysis of impurities in refined high purity yttrium oxide (Y2O3) powders used as a raw material for fine ceramics.

It stipulates the methods for the determination of aluminium (Al), calcium (Ca), cobalt (Co), iron (Fe) and silicon (Si) in yttrium oxide powders. Yttrium oxide powders are decomposed by microwave decomposition method. The aluminium (Al), calcium (Ca), cobalt (Co), iron (Fe) and silicon (Si) contents are determined by using an inductively coupled plasma-optical emission spectrometry (ICP-OES).

This document does not apply to coarse unrefined powders from mineral extraction and processing operations, which are covered by ISO 24181-1.

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Please email further comments to: debbie.stead@bsigroup.com

Standard timeline

1. Proposal (Complete)

Proposal start date:

2. Draft (Complete)

Draft start date:

03/10/2024

3. Public Comments

Public Comments start date:

24/12/2024

Public Comments end date:

16/02/2025

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Standards Development

BS ISO 18719 ISO 18719 Fine ceramics (advanced ceramics, advanced technical ceramics). Methods for chemical analysis of impurities in yttrium oxide powders using inductively coupled plasma-optical emission spectrometry

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