Universal Indicator Test

Universal Indicator Test

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Caption: Universal indicator test. Universal indicator changes its colour depending on the pH of the solution. Here after an indicator strip was dipped in a buffer solution with pH=7.01, the strip colour changed to green indicating an neutral solution.

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Keywords: buffer, chemical, chemistry, gloved hand, hand, indicator, indicator strip, liquid, measure, neutral, paper strip, ph, ph indicator, ph measurement, test, test strip, testing, universal indicator

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