On This Day In Chemistry

May 4th

French chemist Louis Thénard was born on this day in 1777

He was a teacher above anything else and published the textbook Traité de chimie élémentaire, théorique et pratique (4 vols., Paris, 1813-16). Thénard’s research career included the important discoveries of hydrogen peroxide (H2O2) and Thénard 's blue, which is a cheap pigment used to colour porcelain.

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