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Abstract

Use of Terminalia catappa fruit extract as an indicator in acid-base titrations

Author(s): LS Untwal, MS Kondawar
Department of Pharmaceutical Analysis, Appasaheb Birnale College of Pharmacy, South Shivaji-Nagar, Sangli-Miraj Road, Sangli-416 416, India

Correspondence Address:
L S Untwal Department of Pharmaceutical Analysis, Appasaheb Birnale College of Pharmacy, South Shivaji-Nagar, Sangli-Miraj Road, Sangli-416 416 India E-mail: [email protected]


Terminalia catappa L. (tropical almond), family Combretaceae, is a large deciduous tree, originally from India. It thrives as an ornamental tree in many tropical cities of the world. The present work highlights the use of the acidified methanol extract of the outer cover of Terminalia catappa fruits as an acid-base indicator in different types of acid-base titrations. It is found to be a very useful, economical, simple, and accurate indicator for said titrations.



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