Russian standards
Raw clay in the production of clay powders for drilling muds. Method of determination of clay suspension yield
Document status: Active
Liquid vacuum and gravitation filters. Safety requirements and test methods
Document status: Active
Nitric acid for industrial use. Determination of chloride ions content. Potentiometric method
Document status: Active
Carbonaceous materials used in the production of aluminium. Calcined coke. Determination of residual-hydrogen content
Document status: Active
Ground feldsparic and quartzfeldsparic materials. Types, marks and basic parameters
Document status: Active