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Coal and coke. Mechanical sampling. Methods of testing for bias.

Hard coal and coke — Mechanical sampling — Part 8: Methods of testing for bias

Overview ISO 13909-8:2016 - "Hard coal and coke - Mechanical sampling - Part 8: Methods of testing for bias" defines principles and procedures for testing sampling bias of test samples of hard coal o…

Coal and coke — Mechanical sampling — Part 8: Methods of testing for bias

Overview ISO 13909-8:2025 - Coal and coke - Mechanical sampling - Part 8: Methods of testing for bias describes principles and procedures for testing the bias of test samples of coal and coke collect…

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

What is ISO 13909-8 - Hard coal and coke - Methods of testing for bias about? ISO 13909-8 sets out principles and procedures for testing the bias of test samples of hard coals or cokes, taken in acco…

Tracked Changes. Coal and coke. Mechanical sampling. Methods of testing for bias.