FIELD: metallurgy.
SUBSTANCE: invention concerns field of metal protection against acid corrosion by means of inhibitors and can be used at etching of metals and acid treatment of equipment in energetics, food industry and other manufactures. Inhibitor contains ,wt %: n-brominebenzal-m-nitroaniline 13.0-10.6, 2-chlorine-6-diethylamino-4-methyl pyrimidine 30.4-18.2, 1,3-Bis(carbamoyltio)-2-(N,N-dimethylamine) propane hydroiodide 26.1-30.3, urotropin 30.4-40.9.
EFFECT: creasing of steel of aluminium and nickel protection against acid corrosion, and also reduction of steel hydrogenation.
2 tbl, 3 ex
| Title | Year | Author | Number |
|---|---|---|---|
| METAL CORROSION INHIBITOR IN SULFURIC AND HYDROCHLORIDE ACIDS | 1998 |
|
RU2173734C2 |
| METAL CORROSION INHIBITOR IN SULFURIC, CHLORIDE HYDRIDE AND ORTHOPHOSPHORIC ACID | 2007 |
|
RU2352687C1 |
| CORROSION INHIBITOR IN SULFURIC, HYDROCHLORIC AND ORTHOPHOSPHORIC ACIDS | 2004 |
|
RU2265675C1 |
| INHIBITOR OF CORROSION OF METALS IN SULFURIC AND HYDROCHLORIC ACID | 1996 |
|
RU2124578C1 |
| INHIBITOR OF METAL CORROSION IN SULPHURIC AND HYDROCHLORIC ACIDS | 2011 |
|
RU2487193C1 |
| INHIBITOR FOR CORROSION OF METALS IN SULPHURIC, HYDROCHLORIC AND ORTHOPHOSPHORIC ACID | 2006 |
|
RU2330123C1 |
| CORROSION METAL INHIBITOR IN DIPPING, CHLOROHYDRIC AND ORTHO - PHOSPHORIC ACIDS | 2005 |
|
RU2324766C2 |
| INHIBITOR OF METAL CORROSION IN SULPHURIC AND HYDROCHLORIC ACIDS | 2010 |
|
RU2456374C1 |
| INHIBITING AGENT FOR INHIBITING CORROSION OF METALS IN SULFURIC, HYDROCHLORIC AND ORTHOPHOSPHORIC ACIDS | 2006 |
|
RU2320777C1 |
| CORROSION INHIBITOR OF METALS IN HYDROCHLORIC ACID AND SULFURIC ACID | 2002 |
|
RU2261292C2 |
