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sklademVydáno: 1983
ISO 6999:1983
ISO 6999:1983-Carbonaceous materials for the production of aluminium — Pitch for electrodes — Determination of density — Pycnometric method
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| Označení normy: | ISO 6999:1983 |
| Počet stran: | 3 |
| Vydání: | 1 |
| Vydáno: | 1983 |
DESCRIPTION
ISO 6999:1983
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.