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Norm
ISO 501:1981
Ausgabedatum: 1981 11 01
Coal — Determination of the crucible swelling number
The sample is heated in a covered crucible under standard conditions to a final temperature of 820 +- 5 °C. The coke button obtained is classified by comparison with the ...
ZURÜCKGEZOGEN: 2003 11 04
Herausgeber:
International Organization for Standardization
Format:
Digital | 5 Seiten
Sprache:
Englisch
Aktuell Gültig:
ICS
The sample is heated in a covered crucible under standard conditions to a final temperature of 820 +- 5 °C. The coke button obtained is classified by comparison with the outlines of a set of standard profiles. The number of the profile most closely corresponding to the coke button obtained is the crucible swelling number. Gas or electrical heating may be used. When using an electrically heated apparatus, the results obtained should be the same (within 1/2 unit) as those obtained by the gas heating method.
Norm
Ausgabedatum :
2003 11 04
Hard coal — Determination of the crucible swelling number
