pH Indicators

pH Indicators

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Caption: pH indicators. Several indicators are added to acidic, neutral and alkaline solutions in a multiwell plate. The solutions are: 0.1 M hydrochloric acid (top row), neutral (pH=7) buffer (middle row), and 0.1 M sodium hydroxide. The indicators are, left to right columns: universal indicator, phenolphthalein, bromocresol purple, methyl orange.

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Keywords: acid, acidic, alkali, alkaline, base, basic, bromocresol purple, buffer, chemical, chemistry, hcl, hydrochloric acid, indicator, methyl orange, multiwell, naoh, neutral, ph indicator, phenolphthalein, plate, sodium hydroxide, solution, universal indicator

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