ISO 502:1982
ISO 502:1982


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 

  •  :  Withdrawn
     : 1982-02
  •  : 2
     : 9
  •  : ISO/TC 27/SC 5 Methods of analysis
  •  :
    73.040 Coals

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