S. P. L. Sørensen
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Søren Peter Lauritz Sørensen was a Danish chemist, known for the introduction of the concept of pH, a scale for measuring acidity and alkalinity.
S. P. L. Sørensen
PH
Videos
In chemistry, pH is a logarithmic scale used to specify the acidity or basicity of aqueous solutions. Acidic solutions are measured to have lower pH values than basic or alkaline solutions. While the
S. P. L. Sørensen
…Søren Peter Lauritz Sørensen (9 January 1868 – 12 February 1939) was a Danish chemist, known for the introduction of the concept of pH, a scale for measuring acidity and alkalinity. Sørensen was born in Havrebjerg in 1868 as the son of a farmer. He began his studies at the University…
Test tubes containing solutions of pH 1 to 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).