Hard coal and coke. Mechanical sampling - Methods of testing for bias

Hard coal and coke. Mechanical sampling - Methods of testing for bias

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1   Scope

This part of ISO 13909 sets out principles and procedures for testing the bias of test samples of hard coals or cokes, taken in accordance with other parts of ISO 13909.

NOTE In the text, the term “fuel” is used where both coal and coke would be applicable in the context and either “coal” or “coke” where only one is applicable.