DPS
Drejtoria e Përgjithshme e Standardizimit

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ISO/FDIS 540

Hard coal — Determination of ash fusibility

General information

Current stage: 50.20 Effective date: May 13, 2025

Originator: ISO

Owner: ISO/TC 27/SC 5

Type: International Standard

ICS: 73.040 75.160.10

Scope

ISO 540:2008 specifies a method of determining the characteristic fusion temperatures of ash from coal and coke.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 540:2008

NOW

IN_DEVELOPMENT
ISO/FDIS 540
50.20 Proof sent to secretariat or FDIS ballot initiated: 8 weeks
May 13, 2025

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