METHOD OF ALUMINIUM POROUS MEMBRANES PRODUCTION

METHOD OF ALUMINIUM POROUS MEMBRANES PRODUCTION

FIELD: chemistry. ^ SUBSTANCE: method of aluminium porous membranes production involves aluminium foil polishing, anodic oxidation, pore bottom opening at temperature 40-50°C in mixed concentrated fluorohydrogen, nitric and acetic acids in ratio as follows, volume percents fluorohydrogen acid : nitr...

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Bibliographische Detailangaben
Hauptverfasser: KLIMENKO GALINA LEONIDOVNA, STARKOV VITALIJ VASIL'EVICH, FIRSOV ALEKSANDR ANATOL'EVICH
Format: Patent
Sprache:eng ; rus
Schlagworte:
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
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Beschreibung
Zusammenfassung:FIELD: chemistry. ^ SUBSTANCE: method of aluminium porous membranes production involves aluminium foil polishing, anodic oxidation, pore bottom opening at temperature 40-50°C in mixed concentrated fluorohydrogen, nitric and acetic acids in ratio as follows, volume percents fluorohydrogen acid : nitric acid : acetic acid as (2.5-3.5):(1.5-2.5):(4.5-5.5) and pore canal cleanup. ^ EFFECT: uniform pore opening without destructing work structure bases. ^ 2 cl, 4 dwg