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ISO 29541:2025

Coal and coke — Determination of total carbon, hydrogen and nitrogen — Instrumental method

Feb 4, 2025

General information

90.92     Aug 21, 2026

ISO

ISO/TC 27/SC 5

International Standard

73.040     75.160.10  

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Scope

This document specifies a method for the determination of total carbon, hydrogen and nitrogen in coal and coke by instrumental methods.
NOTE            This document has been validated for coal only, in accordance with the principles of ISO 5725-1. The suite of samples used in the interlaboratory study (ILS) to determine the precision data did not include coke and therefore there is insufficient data to state precision limits for coke.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 29541:2010

NOW

PUBLISHED
ISO 29541:2025
90.92 Standard to be revised
Aug 21, 2026

REVISED BY

PROJECT
ISO/CD 29541

National adoptions

prSRPS ISO 29541:2026  
ISS

Coal and coke — Determination of total carbon, hydrogen and nitrogen — Instrumental method

10.99   New project approved

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