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Fritz Pregl
1869–1930 · Slovenia, Austria · Born in the 1800s
Nobel Chemistry 1923
Austrian chemist who transformed quantitative organic analysis by scaling it down to milligram samples.
Nobel Prize work
Invented the micro-analytical determination of carbon, hydrogen, nitrogen and halogens in organic compounds. By refining combustion techniques and using the Kuhlmann microbalance, his methods needed only a few milligrams of sample, transforming analysis of scarce natural substances.
Fields
Related topics
Acid–base, redox, complexometric and precipitation titrations
Finding an unknown concentration by adding a solution of known concentration until the reaction is complete.
Gravimetric analysis
Convert analyte ions into a pure, stable solid of known composition, then weigh it.