Greening the Chemistry Laboratory: Use of Flower Extracts as Substitutes for Synthetic Acid-Base Indicators

The search for natural compounds as acid-base indicators has continued due to environmental friendliness, availability and cost. Some highly coloured pigments extracted from plants create colour changes with varying pH values. This research was conducted to analyse the indicator properties of Acanthus sennii chiovenda flower ethanol and acidified ethanol extracts and compare the findings with…
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February 25, 2021 0