ISO 647:2017

Brown coals and lignites — Determination of the yields of tar, water, gas and coke residue by low temperature distillation

Publication date: Jul 19, 2017

General information

Current stage: 90.93 Effective date: Mar 29, 2023

Originator: ISO

Owner: ISO/TC 27/SC 5

Type: International Standard

ICS: 73.040

Languages: English

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Status: Published

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Scope

ISO 647:2017 specifies a method for the determination of the yields of tar, water, gas and coke residue obtained from brown coal and lignite by distillation to a final temperature of 520 °C.

Life cycle

PREVIOUSLY

Revises
ISO 647:1974

NOW

PUBLISHED
ISO 647:2017
90.93 Standard confirmed
Mar 29, 2023

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