Standard

ISO 501:2025

Historical draft

Note: This standard has a new edition: ISO 501:2025

Corrigendums and amendments are bought separately.

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Abstract

This document specifies a method for determining the swelling properties of hard coal when heated in a covered crucible. NOTE            The "crucible swelling number" (CSN) is also known as the "free swelling index" (FSI).

Document information

  • Standard from ISO
  • Published:
  • Expires:
  • Edition: 5
  • Version: 1
  • Document type: IS
  • ICS 73.040
  • ICS 75.160.10
  • ISO TC ISO/TC 27/SC 5

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