| 摘要 |
FIELD: corrosion protection. ^ SUBSTANCE: invention relates to protection of metals against acid corrosion, in particular corrosion of steel in oil production and petrochemical industries. Inhibitor of invention contains 10 to 80% aliphatic nitrogen-containing compound, 80-10% thiourea, and 0.1-10% cupric salt. ^ EFFECT: enhanced protection against nitric acid corrosion, especially in dilute nitric acid medium. ^ 1 tbl, 16 ex |
