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What is Natural Indicators from Plant Extracts about?

This document describes an experiment to extract natural acid-base indicators from plants and test their color changes in different pH solutions. Plant materials like turmeric, bougainvillea, and mango leaves were crushed in alcohol to extract the colors. The extracts changed color in acidic or basic solutions like bleach and detergent but not in distilled water or vinegar. Natural indicators could be suitable substitutes for synthetic ones and their extraction is simple. The color changes are caused by com

Author

Franz Cavaliers

Language

EN