This standard was last reviewed and confirmed in 2023. Therefore this version remains current.
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.
Status: PublishedPublication date: 2017-07
Edition: 2Number of pages: 8
Technical Committee: ISO/TC 27/SC 5 Methods of analysis
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