polarograph


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polarograph

(pəʊˈlærəˌɡrɑːf)
n
(Chemistry) chem a device for analysing ions in solution by using an electrolytic cell with a very small cathode
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Differential pulse polarography (DPP) with Computrace VA 757 (Metrohm, Switzerland) polarograph equipped with dropping mercury electrode as working electrode, Pt rod as auxiliary electrode, and Ag/AgCl reference electrode was exploited to evaluate iron reduction capability of bacterial isolates.
Britton Robinson buffer was prepared by known method Amperometric titration were made on SYSTRONIC 1634 polarograph at 1.
Moreover, they employed cathodic-ray polarograph which is far more inferior to the current technique of DPP concerning the improved calibration range and lower detection limits in the later case.
The universal polarograph OH-105 has a reference potential of -4V and the starting potential is 1.
The polarograms were recorded with a Recorder Polarograph, d.
By means of the polarograph the dissolved oxygen concentration can be rapidly and accurately ascertained regardless of the character of the sample.
An ELICO (CL-25D) polarograph in conjunction with ELICO chart recorder (LR101P), ELICO pH-meter (LI-120), a Julabo F-40 HC (West-Germany) circulating cryostat and sergent capillary with characteristics, m=1.
The electrochemistry group is comprised of pH and ISE electrodes and meters, titrators, oxygen analyzers (DO/ COD/BOD) and polarographs and voltameters.