Definition of isocratic in English:

Share this entry


Pronunciation: /ˌʌɪsə(ʊ)ˈkratɪk/


(Of a chromatographic method) involving a mobile phase whose composition is kept constant and uniform.
Example sentences
  • Nitrate analysis was performed with an isocratic high-performance liquid chromatography method with UV-detection.
  • Because isocratic elution with the varied composition of the mobile phase gave unsatisfactory results, the gradient elution was applied.
  • The proteins were eluted by applying an isocratic flow of 40 ml buffer A followed by a linear gradient of 50% buffer B in 60 min.


Early 19th century: from Greek isokratia 'equality of power' (from isos 'equal' + kratos 'strength') + -ic.

For editors and proofreaders

Line breaks: iso|crat¦ic

Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.