ISO 9055:1988
Carbonaceous materials for the production of aluminium; pitch for electrodes; determination of sulfur content by the bomb method

Standard No.

ISO 9055:1988

Release Date

1988

Published By

International Organization for Standardization (ISO)

Latest

ISO 9055:1988

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.

ISO 9055:1988 history

• 1988 ISO 9055:1988 Carbonaceous materials for the production of aluminium; pitch for electrodes; determination of sulfur content by the bomb method