Litmus test for amine solution

Litmus test for amine solution

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Credit: MARTYN F. CHILLMAID/SCIENCE PHOTO LIBRARY

Caption: MODEL RELEASED. Litmus test for amine solution. This piece of litmus paper has been turned blue by being dipped in a solution of an amine, indicating that the solution is alkaline. An amine is an organic nitrogen-containing chemical. Amines form alkaline solutions in water. Litmus paper, which uses a plant-based dye, is an acid-base indicator. It turns blue in alkaline solutions, and red in acidic solutions.

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Keywords: alkali, alkaline, amine, analysing, analysis, blue, caucasian, chemical, chemistry, colour change, experiment, experimenting, hand, human, indicator, lab, laboratory, litmus, litmus paper, people, person, reacting, reaction, test, testing, white

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