Frequently used abbreviations and symbols in this book

Porosity volume occupied in the column by the stationary phase. Porosity is expressed as a fraction for example, for RP columns it is approximately 0.7 (70 %). 

Height equivalent of a theoretical plate Internal diameter of the column Retention factor (formerly capacity factor) 

Isoelectric point pH at which the concentration of charged and uncharged molecules is identical Resolution Temperature Death time Gradient time Retention time Net retention time Linear velocity Volume 

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Frequently used abbreviations and symbols in this book... 

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