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781 pH/Ion Meter pH meter by Metrohm
781 pH/Ion Meter pH meter by Metrohm
5.739 pH/Ion at 23 °C temperature shown on photo. pH 7110 pH meter manufactured by inoLab
5.739 pH/Ion at 23 °C temperature shown on photo. pH 7110 pH meter manufactured by inoLab
A simple pH meter
A simple pH meter
Soil pH meter
Soil pH meter
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Test tubes containing solutions of pH 1–10 colored with an indicator
Test tubes containing solutions of pH 1–10 colored with an indicator
Lemon juice tastes sour because it contains 5% to 6% citric acid and has a pH of 2.2 (high acidity).
Lemon juice tastes sour because it contains 5% to 6% citric acid and has a pH of 2.2 (high acidity).