Naslov
Computer automation of polarographic analyzer PAR 384B and development of specific implementation software

Autori
Pižeta, Ivanka ; Branica, Marko

Izvornik
Journal of electroanalytical chemistry and interfacial electrochemistry (0022-0728) 250 (1988), 2; 293-299

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
automation ; polarographic instrumentation ; specific software

Sažetak
The automation of Polarographic Analyzer PAR 384B by connecting it to an HP 9816S Technical Computer is presented. The connection itself transforms an analytically oriented instrument towards one which is more appropriate for research work. Specific implementation software is developed in order to enable and facilitate pseudopolarographic measurements and evaluation of heavy-metal complexation phenomena. As an example, the procedure for the simultaneous determination of the stability constants of lead and cadmium present in constant ionic strength medium of X mol/dm3 NaCl + (4-X) mol/dm3 NaClO4 is presented. The results obtained, for lead, b1 = 9 ± ; 1, b2 = 92 ± ; 13, b3 = 99 ± ; 21, b4 = 27 ± ; 6, and for cadmium, b1 = 44 ± ; 3, b2 = 194 ± ; 36, b3 = 816 ± ; 67, b4 = 68 ± ; 24, are in agreement with the literature data.

Izvorni jezik
Engleski

Znanstvena područja
Geologija

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