FIELD: metallurgy.
SUBSTANCE: invention relates to protection of metals from corrosion and can be used for corrosion inhibition of gas- and oil-field equipment and oil transportation pipelines operating in high-mineralized hydrogen sulphide-containing media. Corrosion inhibitor contains, as the active base, 3-amino-6-furfuryl-1,2,4-triazinone-5 derivatives of general formula
,
where R – NH-CH2-C2H3O (2), N=CHC6H5 (3), N=HC-C4H3O (4).
EFFECT: wider range of corrosion inhibitors.
1 cl, 2 tbl, 6 ex
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