Aktivní norma | Vydána: 14.10.2025

ISO 18719:2025

Fine ceramics (advanced ceramics, advanced technical ceramics) — Methods for chemical analysis of impurities in yttrium oxide powders using inductively coupled plasma-optical emission spectrometry
(Céramiques techniques (céramiques avancées, céramiques techniques avancées) — Méthodes d´analyse chimique des impuretés contenues dans les poudres d´oxyde d´yttrium a l´aide de la spectrométrie d´émission optique par plasma a couplage inductif)

Dostupné jazyky: Anglicky

Dostupné provedení: Elektronické PDF, Tištěné

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Podrobné informace

Označení: ISO 18719:2025

Datum vydání: 14.10.2025

Stran: 9

Země: Mezinárodní technická norma

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Anotace

Description / Abstract: This document specifies methods for chemical analysis of impurities in refined high-purity yttrium oxide (Y2O3) powders used as a raw material for fine ceramics. This document is applicable for 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 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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