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Home / Health News / Google Doodle celebrates Danish chemist Sorensen who introduced pH scale

Google Doodle celebrates Danish chemist Sorensen who introduced pH scale

Sorensen's method of expressing acidity -- the negative logarithm of hydrogen ion concentration (pH) -- still has a wide range of real-world uses

By: Agencies   | | Updated: May 29, 2018 11:27 am
Tags: Alkaline  Eggs  Google  Google Doodle  Hyperacidity  pH  Tomatoes  
Google Doodle Danish Chemist Sorenson

Google on Tuesday celebrated Danish chemist Soren Peder Lauritz Sorensen who introduced the pH scale to the world with an interactive Doodle. Sorensen’s method of expressing acidity — the negative logarithm of hydrogen ion concentration (pH) — still has a wide range of real-world uses.

For example, in agriculture, the pH value can indicate the moisture associated with a soil, which can reveal what crops are suitable for the soil and what adjustments farmers must make to adapt it for growing any other crops. This is what pH value means.

Born in Haurebjerg in 1868, Sorensen was initially interested in studying medicine at University of Copenhagen. But he eventually spent more time studying chemistry and obtained his PhD in 1899.

Sorensen did most of his research in Carlsberg Laboratories. He became the director of its chemical section in 1901. While at Carlsberg, Sorensen started to study amino acids, proteins and enzymes. Read: Alkaline diet- why is it good for your health.

As hydrogen ion concentration played a key role in enzymatic reactions he devised a simple way of expressing it, according to EuCheMS, the European Association for Chemical and Molecular Sciences.

He found that by taking a negative logarithm of hydrogen ion concentration a convenient scale can be established. This is the well-known pH value.

He also developed buffer solutions to maintain constant pH of solutions (Sorensen buffers), EuCheMS noted in a short biography of the scientist in its website.

The Google Doodle on Tuesday allows users to see for themselves the pH value of different food items, including tomatoes and eggs in a scale of 1 to 14. Here are home remedies for acidity that really work. 

Sorensen retired from his post at Carlsberg in 1938. He died in Copenhagen in 1939.

Image source: Google

Published : May 29, 2018 11:26 am | Updated:May 29, 2018 11:27 am
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