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Titrations


Potentiometric


Any normal acid-base titration can also be done potentiometrically, where a pH probe is used to make a plot of pH vs. titrant volume added. Potentiometric titrations can also be used for dark samples or titrations in solvents other than water which may not be suitable for color-based methods. In addition, use of other electrode types allows potentiometric titrations beyond acid-base chemistry, such as the chloride analysis described above.

Finally, potentiometric titrations can be automated, reducing the technician time (and therefore cost) of a measurement significantly, and allowing more complicated experiments.

Applications:



  • Chloride in isocyanates
  • Acid-neutralization
  • Amine endgroups in nylon
  • Alcohol endgroups in polymers
  • Neutralization of strong acid samples
  • Hydroxyl content
  • Acid endgroups of PLA


Work We've Done


Potentiometric Titrations