| 摘要 |
FIELD: chemistry.SUBSTANCE: described is an agent which is a solution of 1-hydroxyethyledene diphosphonic acid with oxalic acid, which contains ethylene glycol and hydrochloric acid as an oxidant, with the following ratio of ingredients, g/l: ethylene glycol - 90-150, hydrochloric acid - 15-25, 1-hydroxyethyledene diphosphonic acid - 10-15, oxalic acid - 15-25 and water- the balance.EFFECT: complete and sufficiently rapid removal of corrosion deposits, maintaining all physical and chemical properties of the cleaned surface without etching and loss of the basic structural material.1 cl, 4 ex |
