FIELD: chemistry.
SUBSTANCE: corrosion inhibitor contains a mixture of orthophosphates and tripolyphosphates of alkali metals, oxyethylene diphosphonates and/or nitrilotrimethyl phosphonates of alkali metals and ascorbic and/or gluconic acid with content of 0.05-5.00 wt % with respect to total weight.
EFFECT: corrosion inhibitor having high efficiency of protection from corrosion of processing equipment in aqueous media with different mineral content in a wide range of pH values.
5 cl, 3 tbl, 23 ex
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Authors
Dates
2012-08-10—Published
2010-12-13—Filed