Journal of Analytical Chemistry

, Volume 55, Issue 8, pp 755–758 | Cite as

Potentiometric determination of maleic anhydride in the presence of cis-3,6-endomethylene-1,2,3,6-tetrahydrophthalic (endic) anhydride

  • Yu. M. Evtushenko
  • B. E. Zaitsev
  • V. M. Ivanov


A procedure is developed for the determination of maleic anhydride in the presence of endic anhydride by potentiometric titration in aqueous-organic solutions. It is found that separate titration of a hydrolyzed mixture of anhydrides is most efficient in the system acetonitrile-water (3 : 2).


Anhydride Maleic Acid Potentiometric Titration Maleic Anhydride Maleic Anhydride 
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Copyright information

© MAIK “Nauka/Interperiodica” 2000

Authors and Affiliations

  • Yu. M. Evtushenko
    • 1
  • B. E. Zaitsev
    • 2
  • V. M. Ivanov
    • 3
  1. 1.AOZT ElektroizolitMoscow oblastRussia
  2. 2.Peoples Friendship UniversityMoscowRussia
  3. 3.Department of ChemistryMoscow State UniversityMoscowRussia

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