FIELD: metallurgy.
SUBSTANCE: electrolyte contains, g/L: chromic anhydride 30-35, boric acid 1-2, 11-trimethyl-4-oxyfluoranten-3-sulfonic acid 0.7-2.0, O,O-diethyl-S-benzyl thiophosphate 1.5-3.6.
EFFECT: increased anticorrosion properties of protective ematal coatings.
1 tbl
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Authors
Dates
2012-07-20—Published
2011-01-13—Filed