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Looking for Columeter

  • Pakistan Pakistan  
  • Last Updated:
    Posted on: 04 Sep 2020

RFQ Details

COULOMETER
ESSENTIAL FEATURES:
⢠High current Potentiostat / Galvanostat with maximum current of at least ± 2A and compliance voltage of ± 30V
⢠Filter and Integrator
⢠pH of pX measurement parallel wit electrochemical measurements.
GENERAL FEATURES:
The required instrument must comprise following components with stated specifications.
1) Potentiostat / Galvanostat;
⢠Electrode connections 4
⢠Potential Range ± 10 V
⢠Compliance Voltage ± 30 V
⢠Maximum Current (al least) ± 2 A
⢠Current Range 10 nA-1A
⢠Potentiostat bandwidth > 1 MHz
⢠Multichannel options Multiple WE Options
2) Filter And Integrator;
⢠Type of Filter Third order Sallen Key
⢠Filter RC Time Constants 0s. 10ms, 100ms, 500ms
⢠Integration ranges 10ms, 100ms, 1 s, 10 s
3) pX Measurement;
⢠Input range ± 2.5 V
⢠Measurement resolution 80 µV
⢠Measurement accuracy 30 µV
⢠Input bias current < 25ľa
⢠Input impedance > 10 Ω
4) Bipotential Mode;
⢠Potential offset range ± 5V
⢠Current ranges 100 nA-10 mA
⢠Maximum Current 35 mA
⢠Analog output Current Signal
5) Electrodes;
⢠Working Electrode Platinum guaze electrode of large surface area
⢠Counter Electrode Pt guaze Electrode with counter electrode bridge tube, Pt sheet
⢠Reference Electrode Calomel electrode with Sleeve
⢠Special vessel Hg pool Electrode
6) Cell System;
Option 1;
Princeton Applied Research (PAR)
Titration Vessels with lid (for both Pt and mercury electrode) with stand and stirring motor with stirring rods compatible with both Pt and Hg electrodes as in Item No 5 and instrument provided.
Option 2;
Support Stand; Base plate with stand rod; Titration vessel with lid; Compatible with electrodes as in item No 5; 20-90mL, 200mL Special mercury pool vessel; Compatible with electrodes as in item no5.
Stirrer: Both Stirring rods with stirring motor and magnetic stirrer with stirring bar.
Vycor Frits: For both bridge tube and Calomel Electrode
Software: Computer software capable of controlling the instrument configuration, analytical parameters, safety, calibration parameters, data manipulation and also of performing analysis.
Limit of Supply; Instruments with all components and manuals. A desktop Computer having configuration, able to operate the necessary software required for analysis. Supply of Five years spares for smooth running of instruments.


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