METHOD FOR EXPRESS-EVALUATION OF SUBSTANCES ON SOLID SURFACES

METHOD FOR EXPRESS-EVALUATION OF SUBSTANCES ON SOLID SURFACES

FIELD: analytical methods. SUBSTANCE: at least one reagent is applied on surface to be examined with the aid of air sol device, first reagent being dihydroxyxanthene dye solution in polar organic solvent at pH 1-3 and second one aqueous acetic acid solution. More particularly, 70:1 mixture of 0.3- 0...

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Bibliographische Detailangaben
Hauptverfasser: LEVCHUK M.N, SEMIN A.A, KALININ N.A, PASHININ V.A
Format: Patent
Sprache:eng ; rus
Schlagworte:
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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Beschreibung
Zusammenfassung:FIELD: analytical methods. SUBSTANCE: at least one reagent is applied on surface to be examined with the aid of air sol device, first reagent being dihydroxyxanthene dye solution in polar organic solvent at pH 1-3 and second one aqueous acetic acid solution. More particularly, 70:1 mixture of 0.3- 0.6% eosin BA or floxin acetonic solution and aqueous hydrochloric acid solution is used as first reagent. EFFECT: enabled express-evaluation without use of supplementary equipment. 3 cl, 4 tbl