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Petroleum and petroleum products. Determination of hydrogen sulfide, methyl- and ethylmercaptans by gas chromatography method
Document status: Active
Joints of tubes with tube-plates and collectors of heat exchangers. Requirements for typical technology of making tube to tube-plate joints by means of leads electrical explosion energy
Document status: Active
Ethyl alcohol for industrial use. Method for determination of esters
Document status: Withdrawn
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
