Thursday, April 21, 2022
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Tuesday, March 30, 2021
Thursday, February 25, 2021
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Thursday, February 4, 2021
Saturday, January 30, 2021
Chemryt Informatics Pvt. Ltd.
Sunday, January 3, 2021
Dow isolated bromine
Jan 04 : Dow isolated bromine
This new method of electrolysis greatly simplified the process for isolating bromine (Br2). Dow became the founder of Dow Chemical Company and was a pivotal figure in developing America’s chemical industry.
Saturday, January 2, 2021
Rutherford penetrated the nucleus
Jan 03 : Rutherford penetrated the nucleus
Upon bombarding nitrogen atoms with alpha particles, he observed the release of a proton. Patrick Blackett later discovered that this was a transmutation of nitrogen to oxygen.
Friday, January 1, 2021
Rudolf Clausius
Jan 02 : Rudolf Clausius was born
He was one of the central founders of thermodynamics. He introduced the concept of entropy and stated the second law of thermodynamics for the first time. He also introduced concepts of kinetic theory to explain motion of gas molecules, in particular the mean free path of particles.
Jan 01 Eugène Demarcay
Jan 01: Eugène Demarcay was born
In 1901 he used spectroscopy to analyse material that had been carefully separated from samarium magnesium nitrate and discovered the element europium (Eu). His specialist knowledge of spectroscopy also helped Marie Curie confirm she had discovered radium (Ra).
Wednesday, December 30, 2020
The drunkometer
December 31 :
The drunkometer was invented on this day in 1938
It was the first successful machine for testing blood alcohol content through breath testing. The machine used acidified potassium permanganate solution as a colour indicator for the amount of alcohol present.