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ISO 6257:2002

Carbonaceous materials used in the production of aluminium — Pitch for electrodes — Sampling
10. 10. 2002.

Опште информације

90.93     25. 9. 2024.

ISO

ISO/TC 226

Međunarodni standard

71.100.10  

engleski  

Kupovina

Objavljen

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Apstrakt

ISO 6257:2002 specifies methods for sampling and preparing samples prior to testing of binder pitch used in the manufacture of electrodes for the electrolytic production of aluminium.
These methods are applicable to grades of pitch in liquid or solid form, the latter having softening points higher than 30 °C (determined according to the method specified in ISO 5940), in bulk, or in a number of containers making up one batch at sites of manufacture, storage, or delivery. Sampling methods and sampling plans for large consignments, or lots, of pitch in liquid form during the loading and unloading of ships are included.

Životni ciklus

PRETHODNO

POVUČEN
ISO 6257:1980

TRENUTNO

OBJAVLJEN
ISO 6257:2002
90.93 Odluka o potvrđivanju standarda
25. 9. 2024.