FIELD: chemistry.
SUBSTANCE: pickling solution for the surface treatment of glass products containing ammonium bifluoride, hydrofluoric acid, water, additionally contains glycerin at the following ratio of components, wt %: ammonium bifluoride 35.0-40.0; fluorosilicic acid 15.0-20.0; glycerol 2.5-3.2; water - the rest.
EFFECT: increased etching process rate.
1 tbl
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