Metrohm Nederland

- Model 2018 - Ion Analyzer



The ADI 2018 Ion Analyzer is based on a Dynamic Standard Addition (DSA) method, using high precission burettes and high performance Ion Selective Electrodes. In DSA, the standard addition volume is adapted to the sample concentration by a dynamic differential approach. Moreover it takes into account ISE slope values over several ranges. This means that ISE's can be used to their ultimate low (or high) measuring range, which is mostly non-linear. Possible temperature effects on the analysis results are eliminated by an automated temperature measurement. The analyzer is suited for one or two sample streams and is also available in a stainless steel housing.

  • Dynamic Standard Addition with a burette gives unrivalled accuracy in ion applications
  • Wide calibrated measuring range (2,5 decades)
  • Modularity
  • Automatic ISE calibration
  • Automatic temperature compensation
  • Low reagent usage
  • Intrinsic result validation, elimination of sample matrix effects
  • Analog (4-20 mA) outputs for result output
  • Digital in-and outputs for remote start/stop, alarms, etc.

A very common method of measuring specific ions in solution taking advantage of the Nernst equation. Care must be taken due to interferences, temperature/matrix effects and drift of electrodes when using conventional ISE data. Metrohm Applikon uses the Dynamic Standard Addition (DSA) method on all ISE measurements to remove all inaccuracies and validate each and every result as correct, giving confidence and reliability as standard. Among the long list of applications are: Sodium in high purity water, Potassium, Nitrate, Fluoride and Ammonia.

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