FIELD: protection of metals against acid corrosion by means of inhibitors; pickling of steel, titanium and chromium; acid cleaning of equipment.
SUBSTANCE: proposed inhibitor contains the following components, mass-%: β-oxynaphthal-m-nitroaniline, 18.1-23.9; O,O-di(propyl)-S-(2-methyl piperidyl-1-carbomethyl) dithiophosphate, 13.7-11.9; 1,1'-ethylene-2,2'-dipyridyl diiodide, 27.3-16.4; urotropin, 40.9-47.8.
EFFECT: high degree of corrosion protection of steel, titanium and chromium; low degree of hydrogen absorption in steel.
2 tbl, 2 ex
| Title | Year | Author | Number |
|---|---|---|---|
| INHIBITOR OF METAL CORROSION IN SULPHURIC, HYDROCHLORIC AND SULFAMIC ACIDS | 2008 |
|
RU2347854C1 |
| INHIBITOR OF CORROSION OF METALS IN SULPHURIC, HYDROCHLORIC AND ORTHOPHOSPHORIC ACIDS | 2009 |
|
RU2418099C1 |
| INHIBITOR OF METAL CORROSION IN SULPHURIC AND HYDROCHLORIC ACIDS | 2010 |
|
RU2456374C1 |
| INHIBITOR OF METAL CORROSION IN SULFURIC, HYDROCHLORIC, AND SULFAMIC ACIDS | 2001 |
|
RU2190696C1 |
| METAL CORROSION INHIBITOR IN SULFURIC, CHLORIDE HYDRIDE AND ORTHOPHOSPHORIC ACID | 2007 |
|
RU2352687C1 |
| CORROSION INHIBITOR IN SULFURIC, HYDROCHLORIC AND ORTHOPHOSPHORIC ACIDS | 2004 |
|
RU2265675C1 |
| INHIBITOR OF METAL CORROSION IN SULPHURIC AND HYDROCHLORIC ACIDS | 2009 |
|
RU2398916C1 |
| INHIBITOR OF METAL CORROSION IN SULPHURIC, HYDROCHLORIC AND ORTHOPHOSPHORIC ACIDS | 2008 |
|
RU2385362C1 |
| CORROSION METAL INHIBITOR IN DIPPING, CHLOROHYDRIC AND ORTHO - PHOSPHORIC ACIDS | 2005 |
|
RU2324766C2 |
| INHIBITOR FOR CORROSION OF METALS IN SULPHURIC, HYDROCHLORIC AND ORTHOPHOSPHORIC ACID | 2006 |
|
RU2330123C1 |
