Abstract
The sample is heated under standard conditions to a final temperature of 600 C. The coke residue obtained is classified by reference to a series of standard residues. If the coke residue produced is so swollen that it fills the crosssection of the retort tube, the determination is repeated with the coal admixed with a suitable quantity of electrode carbon or equivalent material.
General information
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Status: WithdrawnPublication date: 1982-02Stage: Withdrawal of International Standard [95.99]
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Edition: 2Number of pages: 9
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Technical Committee :ISO/TC 27/SC 5ICS :73.040
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PublishedISO 502:2015
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