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chemical analysis: Quick Facts

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A strip of pH paper rests on the rim of a container holding a yellow liquid, with a color comparison chart and several unused pH strips nearby.
voltammetric wave of copper(II)
voltammetric peak of gossypol
potential ramps
ion-selective electrode
Two bottles of red wine and a glass full of red wine sit on a bar.
The spicy science behind sriracha sauce
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Key People

Jöns Jacob Berzelius
Jöns Jacob Berzelius
Swedish chemist
Joseph-Louis Gay-Lussac, engraving by Ambroise Tardieu.
Joseph-Louis Gay-Lussac
French scientist
ean-Baptiste-André Dumas
Jean-Baptiste-André Dumas
French chemist
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Kai Manne Börje Siegbahn
Swedish physicist
Wallach
Otto Wallach
German chemist
Torbern Bergman, detail of an oil painting by Per Krafft; in the Royal Swedish Academy of Sciences, Stockholm
Torbern Olof Bergman
Swedish chemist and naturalist
Jaroslav Heyrovský.
Jaroslav Heyrovský
Czech chemist
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Fritz Pregl
Austrian chemist
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Johan Gottlieb Gahn
Swedish mineralogist
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Paul-Émile Lecoq de Boisbaudran
French chemist
Adams, Roger
Roger Adams
American chemist