International Standard
ISO 23499:2026
Coal — Determination of bulk density of coal as it is handled in industrial practices
Reference number
ISO 23499:2026
Edition 3
2026-02
© ISO 2026
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Published (Edition 3, 2026)

ISO 23499:2026

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Abstract

This document specifies a cone procedure for determining an uncompacted bulk density of crushed coal up to −45 mm nominal top size, as it is handled in industrial practices. It focuses on the uncompacted bulk density of coal resulting from flowing the material into a measuring container (box) in the absence of compacting forces. The determination of the bulk density of coal charged into coke ovens is a typical example.

This document also provides a method for determining the bulk density of dry powdered coal at −63 micrometres for boiler or utility application. It does not cover the determination of bulk density of coal in storage piles.

General information

  • Status
     : Published
    Publication date
     : 2026-02
    Stage
    : International Standard published [60.60]
  • Edition
     : 3
    Number of pages
     : 12
  • Technical Committee :
    ISO/TC 27/SC 1
    ICS :
    73.040 
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