Active standard | Published: 21/05/2004

ISO 12989-2:2004

Carbonaceous materials used in the production of aluminium — Baked anodes and sidewall blocks — Determination of the reactivity to air — Part 2: Thermogravimetric method
(Produits carbonés utilisés pour la production de l´aluminium — Anodes et blocs de façade cuits — Détermination de la réactivité a l´air — Partie 2: Méthode thermogravimétrique)

Available languages: English

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Detail information

Designation: ISO 12989-2:2004

Publication date: 21/05/2004

Pages: 13

Country: International technical standard

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Anotation

Description / Abstract: ISO 12989-2:2004 covers the thermogravimetric analysis (TGA) of air reactivities and dusting of shaped carbon electrodes used in the aluminium-production industry. Many types of apparatus are available, with various thermal conditions, sample-size capability, materials of construction and procedures for determining the mass loss and subsequent rate of reaction. This test method sets standard reaction times and temperatures, and provides a mathematical method to normalize the gas velocity over the exposed surfaces, such that results obtained on different types of apparatus are correlatable.

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