FIELD: chemistry.
SUBSTANCE: invention relates to rapid indication means intended for visual detection of leaks and spills of hydrogen fluoride and its aqueous solutions. Indicator paint consists of (wt%): quinalizarin complex with europium (III) - 2.5÷3.5; copolymer of vinyl chloride with vinyliden chloride of VHVD-40 type - 3.0÷4.0; barium sulphate - 20.0÷30.0; titanium dioxide - 20.0÷30.0; butyl acetate - 2.0÷14.0; xylene - 18.5÷52.5.
EFFECT: higher selectivity, reliability and accuracy of indication during visual detection of leaks and spills of hydrogen fluoride and its aqueous solutions.
1 cl, 1 dwg, 3 tbl, 3 ex
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