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ISO 6999:1983

Carbonaceous materials for the production of aluminium — Pitch for electrodes — Determination of density — Pycnometric method
1. 12. 1983.

Опште информације

90.93     4. 1. 2022.

ISO

ISO/TC 226

Međunarodni standard

71.100.10  

francuski   engleski  

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Apstrakt

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.

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OBJAVLJEN
ISO 6999:1983
90.93 Odluka o potvrđivanju standarda
4. 1. 2022.