ISO 6999:1983

Carbonaceous materials for the production of aluminium — Pitch for electrodes — Determination of density — Pycnometric method

Publication date: Dec 1, 1983

General information

Current stage: 90.93 Effective date: Jan 4, 2022

Originator: ISO

Owner: ISO/TC 226

Type: International Standard

ICS: 71.100.10

Languages: French English

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Status: Published

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Scope

The density of pitch used for preparation of electrodes for the production of aluminium is a property which gives a guide to its consistency of quality. Knowledge of this parameter is essential for optimum use of pitch. The determination is carried out by measuring the density in a pyknometer at 25 °C, after degassing under vacuum.

Life cycle

NOW

PUBLISHED
ISO 6999:1983
90.93 Standard confirmed
Jan 4, 2022

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