Model 4330 - Voltammetric Analyser
From Analysis
The Model 4330 Voltammetric Analyzer is a combination of three electrochemical instruments in one. Thanks to the evolution of electronics and firmware, we have been able to combine all modern voltammetric techniques with Potentiometric Stripping analysis (PSA) and pH measurement. Trace analysis of heavy metals and organic compounds down to ppb (ug/L) levels will easily be accomplished by the most appropriate technique and electrode. The integrated cell stand offers unrivaled versatility, thanks to the wide choice of batch/flow cells and electrodes, from classical hanging mercury drop and solid electrodes to modern rotating disk and screen printed electrodes. Automatic quantitative analysis is then made easy by integration with an Amel 235 Automatic Dispenser. This combination will allow you to perform routine analysis by a simple button touch as well as research work on the same instrument.
Specification
Counter Electrode
- Voltage Output ±12 V
- Current Output ±12.5m A max
- Slew Rate 1 mV/sec to 10 V/sec
- Protection full thermal, overload and short-circuit protected
Working Electrode
- Current Measure 10mA -1nA Full Scale in 8 ranges
- Current Resolution From 1µA at 10 mA F.S. to 1 pA at 1 nA F.S.
- Measuring Accuracy 0.2 % +/- 0.1% f.s.
Reference Electrodes
- Input Impedance > 1 Tohm
- Input Capacitance < 20 pF (with 1 m cable
- Biasing Current < 2 pA @ 25 C°
- Common mode Rejection > 50 dB full frequency response
- Voltage Range ± 10 V
- Input BNC Outer contact grounded
Polarisation Capabilities
- Voltage ±4 V
- Current ±10m A
- Voltage Resolution 1mV
- Max Current Res. 1 pA
- Accuracy ± (0.2% +0.1% F.S.) worst case
Electrochemical Techniques
- Amperometric AD amperometric detection,
- PAD pulsed amperometric detection,
- DSA double step amperometry,
- Voltammetry ACV alternate current voltammetry,CYV cyclic votlammetry,
- LSV linear scan voltammetry,
- NPV normal pulse voltammetry,
- DNP differential normal pulse voltammetry,
- DPV differential pulse voltammetry,
- SWV square wave voltammetry,
- ACS alternate current stripping,
- LSS linear scan stripping,
- DNS differential normal pulse stripping,
- SWS square wave stripping,
- Potentiometric PD potentiometric detection;
- PSA potentiometric stripping analysis;,
- CCSA constant current stripping analysis;
- DSV double step potentiometry
Response Time
- Potentiostatic Rise Time 25 µs resistive load (1000 Ohm)
- Galvanostatic Rise Time 10 µs resistive load (1000 Ohm)
- Meters and Interface
- AD Converter 16 Bit
- DAC Converter 16 Bit
- Temperature Meter -20 + 100 °C with Pt 1000 probes 0.1°C resolution 0.2°C accuracy
- pH Meter -2.000 to 16.000 pH from 0°C to 100°C resolution 0.001 pH accuracy 0.005 pH
- Sampling Rate 200 µs
Digital Interface
- Connection USB with full instrument control Baud rate 57700 N 81
- Memory EEprom 64 Kbyte Sram 32 Kbyte
- Automatic Dispenser Model 235 with calibrate syringe of 1000 µl
- Peristaltic pump command Flow: Start/stop, Direct/reverse
- External accessory On/Off, optocoupled
- I / O Port 6 optional
- Operativity
- Mode Potentiostat - Galvanostat - pHmeter
Cell Connection electrodes
- Working electrode Capillary glass (110X6)mm bore 0,1 or 0,15 mm
- Rotating disk electrode from 100 to 5000 rpm
- Solid state electrodes: Glassy carbon, Pt, Gold, Ag, tip
- Counter electrode Platinum wire (5X1)mm
- Reference electrode Ag/AgCl filled with saturated KCl. (optional)
- Stirrer Computer controlled, propeller or magnetic stirrer
Power Supply and Size
- Voltage Mains 115 / 230 V ranges (+/- 10%)
- Power Consumption 40 VA max
- Size and Weight 250 x 270 x 330 mm (L x W x H) Kg 8
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