METHOD FOR DETERMINING SODIUM PHOSINOPRIL BY APPLYING INVERSION VOLTAMPERMETRY METHOD

FIELD: chemical engineering. ^ SUBSTANCE: method involves concentrating substance on graphite working electrode under electrolysis potential of 1.0 V during 270 s. Polarization curves are recorded under differentiated constant-current potential unrolling mode at a rate of 70 mV/s. Sodium phosinopril...

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Hauptverfasser:	TERENT'EVA SVETLANA VLADIMIROVNA, KARPOV ROSTISLAV SERGEEVICH, IVANOVSKAJA ELENA ALEKSEEVNA, KOMAROVA EVGENIJA NIKOLAEVNA
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: chemical engineering. ^ SUBSTANCE: method involves concentrating substance on graphite working electrode under electrolysis potential of 1.0 V during 270 s. Polarization curves are recorded under differentiated constant-current potential unrolling mode at a rate of 70 mV/s. Sodium phosinopril concentration is determined from peak height in potential range of 0.4 to 0.9 V with chlorosilver electrode taken as reference electrode on the background of 0.01 mole/l potassium nitrate solution. ^ EFFECT: improved sensitivity and rapid analysis performance characteristics. ^ 4 tbl