Aquastar® Water Standards for Karl Fischer Titration

Precise water determination is always a challenge. Have confidence in your results with our Aquastar water standards, a series of excellent standards for water determination.


  • Reliability: high accuracy
  • Transparency: measured in our ISO 17025 accredited laboratory
  • Documentation: certificated according to ISO Guide 31 for reference materials
  • Precision: high batch-to-batch consistency


Karl Fischer Titration with certified water standards qualified in our DIN EN ISO/ IEC 17025 accredited testing and calibration laboratory means you will be prepared for all the requirements of audits and inspections from internal & external authorities. Water determination according to Karl Fischer titration is one of the most precise and fastest methods to determine water content in the range of 0.01 % up to 100 % and can be used for a wide variety of samples.

DIN EN ISO/IEC 17025 accreditation of our Karl Fischer QC laboratory

Within the European Union and worldwide, there are increasing demands for analytical results to be more transparent and comparable. This is particularly true for water determinations according to the Karl Fischer method. In order to ensure this, reliable reference materials are necessary. The Aquastar line offers a series of excellent standards. In addition to their use in monitoring Karl Fischer equipment and performing titer determination of volumetric Karl Fischer reagents, they can also be used for checking results in order to evaluate their accuracy. To ensure the highest quality, our Aquastar standards are manufactured under the strictest of controls and are accurately measured using validated procedures in our DIN EN ISO/IEC17025 accredited Calibration Laboratory for Karl Fischer Titration.



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