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Solid recovered fuels. Methods for the determination of ash melting behaviour by using characteristic temperatures
Document status: Active
Brown coals, hard coals, anthracite, combustible shales and coal briquettes. Methods of sampling and preparation of samples for laboratory tests
Document status: Active
Insulating oils. Detection of corrosive sulfur. Silver strip test
Document status: Active
Fruits of ethereal-oil crops. Industrial raw material. Methods for determination of essential oil mass fraction
Document status: Active
Coal tar pitch. Method for the determination of ash content
Document status: Replaced by GOST 7846-2023