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Surface active agents and detergents. Determination of anionic-active matter by manual or mechanical direct two-phase titration procedure
Document status: Active
Petroleum and lubricants. Determination of acid number and basic number by colour indicator titration method
Document status: Active
Carbonaceous materials for the production of aluminium. Calcined coke for electrodes. Determination of the electrical resistivity of granules
Document status: Active
Fluorite. Method for the determination of iron content
Document status: Replaced by GOST 7619-2023