METHOD FOR PHOTOMETRICALLY DETERMINING ALUMINUM(III) IN SOLUTIONS OF PURE SALTS AND ARTIFICIAL MIXTURES

METHOD FOR PHOTOMETRICALLY DETERMINING ALUMINUM(III) IN SOLUTIONS OF PURE SALTS AND ARTIFICIAL MIXTURES

FIELD: analytical methods. ^ SUBSTANCE: invention relates to photometric determination of aluminum(III) in solutions of pure salts and artificial mixtures containing aluminum(III) in very low concentration. Method comprises transfer of aluminum(III) into complex compound with aluminon in low-acidic...

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Hauptverfasser: NOVOPOL'TSEVA VALENTINA MIKHAJLOVNA, OSIPOV ANATOLIJ KONSTANTINOVICH, NISHCHEV KONSTANTIN NIKOLAEVICH
Format: Patent
Sprache:eng ; rus
Schlagworte:
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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Zusammenfassung:FIELD: analytical methods. ^ SUBSTANCE: invention relates to photometric determination of aluminum(III) in solutions of pure salts and artificial mixtures containing aluminum(III) in very low concentration. Method comprises transfer of aluminum(III) into complex compound with aluminon in low-acidic medium: to solution of aluminum(III) with pH 0-2 is added 100-120-fold amount of aluminon, 0.3-0.5 mL of surfactant solution containing 2% of gelatin solution, and water to 10 mL of total volume, after which resulting mixture is heated for 4-6 min on water bath at 80-98°C. ^ EFFECT: increased sensitivity and selectivity of analysis. ^ 1 tbl