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ISO 9055:1988

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

Dec 15, 1988

General information

90.93     Nov 15, 2022

ISO

ISO/TC 226

International Standard

71.100.10  

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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
Nov 15, 2022