FIELD: protection of metals from corrosion in acid media using inhibiting agents, may be utilized in etching solutions and means for cleaning of equipment contacting with acid media.
SUBSTANCE: inhibiting agent contains, wt%: α-oxynaphtalisonicotine hydrazide 11.1-14.7; 2.4.6-tris(2-isotioureido)-s-triazine hydroiodide 15.0-10.3; 2-(tiazolyl-4)-benzimidazole 33.4-25.0; urotropin 40.5-50.0.
EFFECT: increased efficiency in inhibiting corrosion of steel, aluminum and indium and substantial reduction in hydrogen charging of steel.
2 tbl, 3 ex
| Title | Year | Author | Number |
|---|---|---|---|
| CORROSION INHIBITOR IN SULFURIC, HYDROCHLORIC AND ORTHOPHOSPHORIC ACIDS | 2004 |
|
RU2265675C1 |
| INHIBITOR OF METAL CORROSION IN SULPHURIC, HYDROCHLORIC AND ORTHOPHOSPHORIC ACIDS | 2008 |
|
RU2385362C1 |
| INHIBITOR FOR CORROSION OF METALS IN SULPHURIC, HYDROCHLORIC AND ORTHOPHOSPHORIC ACID | 2006 |
|
RU2330123C1 |
| INHIBITOR OF METAL CORROSION IN SULPHURIC AND HYDROCHLORIC ACIDS | 2009 |
|
RU2398916C1 |
| METAL CORROSION INHIBITOR IN SULFURIC, CHLORIDE HYDRIDE AND ORTHOPHOSPHORIC ACID | 2007 |
|
RU2352687C1 |
| CORROSION INHIBITOR FOR PROTECTION OF METALS IN SULFURIC, HYDROCHLORIC AND ORTHOPHOSPHORIC ACIDS | 2006 |
|
RU2296816C1 |
| CORROSION METAL INHIBITOR IN DIPPING, CHLOROHYDRIC AND ORTHO - PHOSPHORIC ACIDS | 2005 |
|
RU2324766C2 |
| INHIBITOR OF CORROSION OF METALS IN SULPHURIC, HYDROCHLORIC AND ORTHOPHOSPHORIC ACIDS | 2009 |
|
RU2418099C1 |
| CORROSION INHIBITOR OF METALS IN SULFURIC, HYDROCHLORIC AND ORTHOPHOSPHOROUS ACIDS | 2001 |
|
RU2203981C2 |
| CORROSION INHIBITOR FOR PROTECTION OF METALS IN SULFURIC, HYDROCHLORIC AND SULFAMIC ACIDS | 2006 |
|
RU2296814C1 |
