Draft International Standard
ISO/DIS 13909-4
Coal and coke — Mechanical sampling — Part 4: Coal — Preparation of test samples
Reference number
ISO/DIS 13909-4
Edition 3
International Standard
ISO/DIS 13909-4
This Draft International Standard is in the enquiry phase with ISO members.
Will replace ISO 13909-4:2016


ISO 13909-4:2016 describes the preparation of samples of coal from the combination of primary increments to the preparation of samples for specific tests.

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