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Application filed by Институт Физической Химии Ан СссрfiledCriticalИнститут Физической Химии Ан Ссср
Priority to SU4338598/02ApriorityCriticalpatent/SU1524537A1/en
Application grantedgrantedCritical
Publication of SU1524537A1publicationCriticalpatent/SU1524537A1/en
FIELD: anticorrosive protection of ferrous and nonferrous metals in neutral aqueous media with high salt content; applicable in various industries for protection of heat exchange and cooling devices. SUBSTANCE: metal corrosion inhibitor contains, mas.%: derivative of phosphonic acid 40-50; zinc salt 25-30; insoluble salt of bivalent tin 25-30. EFFECT: higher efficiency of protection of ferrous and nonferrous metals in aqueous media with high salt content due to introduction into the inhibitor of insoluble salt of bivalent tin. 2 dwg