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Sodium silicate solute. Specifications
Document status: Replaced by GOST 13078-2021
Phosphorus and inorganic phosphorus compounds. Method of lead determination
Document status: Active
Coals and anthracites. Method for the determination of thermal stability
Document status: Active
Zinc concentrates. Methods for the determination of silver and gold
Document status: Active
General requirements for method of preparation of highly mineralized coal dust for analysis
Document status: Active