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Eco-friendly Natural Flower Extract as an Organic Acid Base Titration Indicator

Year: 2026

Type: article

Abstract: Chemicals that serve as indicators are crucial. Therefore, synthetic indicators have traditionally been the best choice for all kinds of acid-base titration. Because they exhibit a distinct color shift at pH intervals in all kinds of titrations. However, an endeavor must be made to replace synthetic indication with natural indicator due to some drawbacks, such as high cost, availability challenges, lengthy and complicated synthesis, toxic waste products, and environmental concerns. Hibiscus, Rose, and Butterfly pea anthocyanin color pigment were made by macerating flowers. The quantitative amount of color pigment was measured using a UV-visible spectrophotometer.

Source: Zenodo (CERN European Organization for Nuclear Research)

DOI: 10.5281/zenodo.19508905

Author: Digvijay Sonawane*, Shailesh Deshmukh, Milind Deshpande

Language: English

Topic: Analytical Chemistry and Sensors

Subfield: Bioengineering

Field: Chemical Engineering

Domain: Physical Sciences

SDG: Responsible consumption and production

Open Access status: green

OpenAlex ID: W7153473929

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