ISO 9055:1988

Current Revision
Carbonaceous materials for the production of aluminium -- Pitch for electrodes -- Determination of sulfur content by the bomb method

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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

PUBLISH DATE 1988
ISO 9055:1988

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 tar and petroleum origin, provided that they contain at least 0.1 % (m/m) sulfur.

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