- How did Ramsay use fractional distillation of liquid air to isolate neon, krypton, and xenon?
Chromatography
Separation techniques for mixtures of chemical compounds.
- Why was finding an element that doesn't react with anything actually difficult?
- What was Mikhail Tsvet trying to separate when he invented chromatography?
- How did calcium carbonate in a glass column cause different plant compounds to separate into bands?
- Where does the word 'chromatography' come from?
- Why was Tsvet's priority in discovering chromatography not recognized until after his death?
- What technique did Erwin Chargaff use to measure the base composition of DNA?
- How does partition chromatography use two immiscible solvents to separate chemically similar compounds?
- What other chromatography techniques did Archer Martin go on to invent after partition chromatography?
- Why did the Nobel committee recognize the 1941 discovery eleven years later, in 1952?