FIELD: medicine.
SUBSTANCE: invention refers to medicine and describes using resorufin and/or toluidine blue used as an organic oxidation-reduction colouring agent, one or more polyols, glycerol, and water introduced into gelatine and/or hydroxyethylstarch, and/or methlcellulose used as additives, as an oxygen indicator. The indicator is configured so that an oxygen-sensitive product stays visible.
EFFECT: declared invention provides the light- and heat-sensitive visibly discolouring oxygen indicator.
19 cl, 6 tbl, 10 ex
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