Chromatography#

Tsvet’s column separation, theoretical plates, the van Deemter and Golay plate-height equations, Kovats retention indices, and Purnell’s resolution equation.

Tsvet’s column: separating leaf pigments into colored bands

Tsvet's column: separating leaf pigments into colored bands

Martin and Synge’s theoretical plates from a peak’s width

Martin and Synge's theoretical plates from a peak's width

The van Deemter equation and the optimum flow velocity

The van Deemter equation and the optimum flow velocity

Golay’s open-tubular column: the van Deemter equation with A = 0

Golay's open-tubular column: the van Deemter equation with A = 0

Kováts retention indices from an n-alkane ladder

Kováts retention indices from an n-alkane ladder

Purnell’s resolution equation: efficiency, selectivity, retention

Purnell's resolution equation: efficiency, selectivity, retention