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
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