ISO 9055:1988

Carbonaceous materials for the production of aluminium — Pitch for electrodes — Determination of sulfur content by the bomb method

Publication date: 15 dhj 1988

General information

Current stage: 90.93 Effective date: 15 nën 2022

Originator: ISO

Owner: ISO/TC 226

Type: International Standard

ICS: 71.100.10

Gjuha: frëngjisht anglisht

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Statusi: Publikuar

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Scope

A sample is oxidized by combustion in a bomb containing oxygen under pressure. The sulphur is gravimetrically determined in the bomb washings in the form of barium sulfate. The method is applicable to pitches of both coal ta and petroleum origin, provided that they contain at least 0,1 % (m/m) sulfur.

Life cycle

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PUBLISHED
ISO 9055:1988
90.93 Standard confirmed
15 nën 2022