Description
Automatic Titration System (KF Analysis) PG Instrument UK
The 12 series of Automated Titration performs the fundamental task of titration where the concentration of a chemical substance is determined by reacting it with a measured amount of another chemical. The Auto Titrator performs this analysis using a motor driven dispenser, stirred reaction vessel and electrodes which sense the completion of the reaction by measuring the potential difference between two electrodes.
The 12 series of Automatic Titration systems offers the following modes of analysis:
INCREMENTAL – This method operates with a user selectable fixed dose and fixed intervals until the end point is detected or volume limit is reached.
EQUILIBRIUM – This is the Universal and Dynamic Titration. In this titration the dose and time automatically are tuned to the titration trend with evaluation of the end point.
pH CUT OFF/STAT – in pH cut off mode the end point is determined in a pre-selectable pH window. In pH-STAT mode the pH value is maintained until the pre-selected time interval is reached.
THE FOLLOWING TITRATIONS ARE AVAILABLE WITH THE 12 – 14 SERIES OF AUTOMATED TITRATORS
| Acid – Base or Aqueous Titrations | Redox Titrations | Complexometric titration of EDTA Titrations |
| Blank Titration | Silver Assay Titration (As per BS2113:2002) | Nonaqueous Titrations |
| Voltametric Titration/Karl Fischer | Back Titration | Argentometric or Precipitation Titration |
SPECIFICATIONS:
| Principle | Volume determination by equivilent point, end point or pH STAT |
| Control | Microprocessor based |
| mV Range | =/- 3200mV |
| Accuracy | +/- 0.1mV (+/- 0.0016pH) |
| Amplifier Input Impedance | >1012 Ohms |
| Burette Resolution | 1/5000 for 5ml, 1/10000 for 10ml, 1/5000 for 25ml |
| Filing Time | <20 Seconds |
| Keyboard | Alphanumeric splash waterproof polyester soft keys. |
| Titration Head | Manual Stand with swivelling arm |
| Stirrer System | Microcontroller based variable speed, high torque vortex stirrer with digital indicator. (Magnetic Stirrer Optional) |
| Sensors | · Electrodes for Potentiometric titration (pH, Ion, Redox, Argentometric)
· Any Combination Electrode · Differential Electrode System comprising sensing (indicator) Electrode with various adaptors such as BNC connector, and Reference Electrode with 4mm ‘Banana Connector’ · Electrode for Karl Fischer with BNC/TNC Connectors · Temperature Sensor. |
| Calibration | 3-point Calibration with entered buffer values and standardisation with pH 7 Buffer |
| End Point Detection | · Potentiometric
· Voltametric · Thermometric & Photometric |
| Cut-off Criteria | · Volume
· End Point · mV/pH |
| Analysis Methods | · Titrations
· Acid -Base · Non-aqueous · Redox · Precipitation · Complexometric · Back Titration · Karl Fischer |
| Results & Concentration Units | · Molarity
· % Assay (wt) · % Volume (ml) · ppm, mg/l, mg/g, g/l, meq/l, mol/kg, TAN and TBN for Oil Samples |
| Method Storage | 50 methods with Parameters |
| Titrant Molarity Storage | 20 Values |
| Report Format | · Method Parameters
· Titration Analysis Report · Titration Analysis Condensed Report · Titration Data Table · Titration Graphic Report · Micro litre versus mV · Micro Litre versus First and/or Second Derivative · Micro Litre versus Time · Auto Evaluation Report · Statistics report · End Point Titration report · Calibration report |
| SPECIFICATIONS – Continued | |
| Input/Output peripheral Interface | · Parallel Port for Printer
· Serial Port QTY TWO for Balance and PC |
| Power | . 110 – 230v 50/60Hz |
| Environmental Conditions for Operation | · Laboratory Use
· Temperature Ambient to 45 degrees Centigrade · Humidity 5 – 90% Non Condensing |
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