NEN-ISO 1171:2021
Current
Current
The latest, up-to-date edition.
Solid mineral fuels - Determination of ash
Available format(s)
Hardcopy
Language(s)
English
Published date
01-05-2021
Publisher
The ash remaining after coal or coke has been incinerated in air is derived from inorganic complexes present in the original coal substance and from associated mineral matter.
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