FIELD: metallurgy.
SUBSTANCE: inhibitor contains the following elements, in wt %: water ammonium or fluid ammonium - 8.98-13.2, allyl chloride or methallyl chloride 20.21 - 35.28, formaldehyde solution or paraformaldehyde - 7.93-11.70, and solvent, i.e. water-soluble spirit or water, or mix thereof - up to 100.
EFFECT: higher efficiency if inhibitors in water-oil emulsions containing hydrogen sulfide.
2 tbl, 3 ex
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