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Asian Journal of Pharmaceutical Analysis
Year : 2020, Volume : 10, Issue : 1
First page : ( 37) Last page : ( 39)
Print ISSN : 2231-5667. Online ISSN : 2231-5675.
Article DOI : 10.5958/2231-5675.2020.00008.3

Capparis decidua as Natural pH Indicator

Birajdar Rushikesh M.*, Magdum Chandrakant S., Mohite Shrinivas K., Ambekari Asma D., Patil Smita R., Vambhurkar Ganesh B., Kane Sandeep R.

Rajarambapu College of Pharmacy, Kasegaon, Dist-Sangli, Maharashtra, India-415404

*Corresponding Author E-mail: rushikeshbirajdar123@gmail.com

Online published on 3 June, 2020.


Acid-base indicators shows change in color after change in pH of medium, and the flower extract of various plants shows sharp color change with change in pH of reacting medium. The study has been carry out to replace the synthetic indicator with Capparis Decidua flower extract, because synthetic acid base indicators have some disadvantages like complicated method of preparation, high cost and they may causes the environmental pollution or may cause harm to user. The ethanolic extract of Capparis Decidua flower is done to determine the indicator activity of Capparis Decidua flower and compared with phenolphthalein indicator. Four deferent types of neutralization titrations like HCl Vs NaOH, HCl Vs NH3, CH3COOH Vs NaOH, and CH3COOH Vs NH3 are done to get precise and accurate results. This research work proves that we can use Capparis Decidua flower extract as a substitute for synthetic acid base indicator in various acid-base titrations.



Natural indicator, Capparis Decidua flower extract, acid-base titration, neutralization titration, phenolphthalein.


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