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Hard coal. Determination of caking index

Document status: Cancelled

Reagents. Sodium carbonate 10-aqueous. Specification

Document status: Active

Niobium pentoxide. Coulonometry method for determination of sulfur content

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Alumina. General requirements for methods of spectral analysis

Document status: Replaced by GOST 25542.0-2023

Raremetallic concentrates. Method for the determination of barium oxide

Document status: Active

Technical dinitronaphthalene. Specifications

Document status: Active