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FAQs – Karl Fischer Titration

In the list of frequently asked questions you will find information pertaining to all areas of volumetric and coulometric Karl Fischer titration.

Installation

  • FAQ
    When are the septum and the O-rings/PTFE sleeves to be changed?
    // Installation
  • FAQ
    What are the order numbers for the consumables?
    // Installation
  • FAQ
    How to service the Dosing and the Exchange Unit? (for volumetric KF titration)
    // Installation
  • FAQ
    What to do if the pump is not working correctly?
    // Installation
  • FAQ
    How often is the molecular sieve to be changed?
    // Installation// Installation of coulometric cell
  • FAQ
    How often is the Dosing/Exchange Unit to be prepared (Preparing/«Prep» function)? (for volumetric KF titration)
    // Installation
  • FAQ
    How to clean the indicator electrode?
    // Installation
  • FAQ
    What measures are recommended when the volumetric Karl Fischer titrator will not be used or has not been used for a prolonged period?
    // Installation
  • FAQ
    How to regenerate the molecular sieve?
    // Installation// Installation of coulometric cell
  • FAQ
    Which resolution should my balance have?
    // Installation
  • Titer determination

  • FAQ
    What is the optimal substance weight for titer determination?
    // Titer determination
  • FAQ
    Poor reproducibility of the titer determination with disodium tartrate dihydrate
    // Titer determination
  • FAQ
    How to carry out the titer determination?
    // Titer determination
  • FAQ
    Rise in the values during titer determination with disodium tartrate dihydrate
    // Titer determination
  • FAQ
    Poor reproducibility of the titer determination with water
    // Titer determination
  • FAQ
    How often should the titer be determined?
    // Titer determination
  • Sample handling

  • FAQ
    Overtitration took place, i.e., the titrated solution is dark yellow to brown instead of light yellow. How to prevent this?
    // Sample handling, Sample processing
  • FAQ
    How to recognize a side reaction?
    // Sample handling, Sample processing
  • FAQ
    How often is the KF working medium to be changed?
    // Sample handling, Sample processing
  • FAQ
    How to prevent side reactions?
    // Sample handling, Sample processing
  • FAQ
    Why are the values found too low?
    // Sample handling, Sample processing
  • FAQ
    The volumetric Karl Fischer titration is very slow
    // Sample handling, Sample processing
  • FAQ
    How much sample to weigh in?
    // Sample handling, Sample processing
  • FAQ
    Why are the values found too high?
    // Sample handling, Sample processing
  • FAQ
    What to do if the drift is too high?
    // Sample handling, Sample processing// Conditioning the volumetric cell// Conditioning the coulometric cell
  • FAQ
    What to do to improve the release of water?
    // Sample handling, Sample processing
  • FAQ
    The titration does not finish. What could be the cause?
    // Sample handling, Sample processing
  • FAQ
    Poor reproducibility of the results
    // Sample handling, Sample processing
  • Reagents

  • FAQ
    Where to buy KF reagents?
    // Reagents
  • FAQ
    Which reagents are used for KF titration?
    // Reagents
  • Validation

  • FAQ
    How to validate my KF titrator?
    // Validation
  • FAQ
    How often should my KF titrator be validated?
    // Validation