The Hans von Pechmann cardHans von Pechmann

Hans von Pechmann

Common

Rarity: Common

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At a glance

Class
Figure
Domain
Science and technology
Knowledge cost
2
Influence
3
Resistance
3
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What Wikipedia says

Freiherr Hans von Pechmann (1 April 1850 – 19 April 1902) was a German chemist, renowned for his discovery of diazomethane in 1894. Pechmann condensation and Pechmann pyrazole synthesis.

Excerpt from the Wikipedia article “Hans von Pechmann”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Unknown author, Public domain, via Wikimedia Commons.

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