Definition of polarography in English:

polarography

Line breaks: po¦lar|og¦raphy
Pronunciation: /ˌpəʊləˈrɒgrəfi
 
/

noun

[mass noun] Chemistry
A method of analysis in which a sample is subjected to electrolysis using a special electrode and a range of applied voltages, a plot of current against voltage showing steps corresponding to particular chemical species and proportional to their concentration.
More example sentences
  • In electrochemical analysis by such methods as anodic stripping voltammetry, cyclic voltammetry, differential pulse polarography, and potentiometry, the anode always functions as the site of oxidation.
  • The states of the Mn complex reached after increasing periods of heating were investigated by oxygen polarography, EPR spectroscopy, and, in particular, by x-ray absorption spectroscopy.
  • He was a physical chemist who won the Nobel Prize in 1959 for his discovery of polarography and its use in analytic chemistry.

Origin

1930s: from polarization (see polarize) + -graphy.

Derivatives

polarographic

Pronunciation: /-ˈgrafɪk/
adjective
More example sentences
  • Most popular are the polarographic and the optical spectroscopic methods.
  • A standard polarographic assay was used to measure oxygen consumption by the isolated mitochondria.
  • The measurement of arterial PO 2 was revolutionized by the introduction of the polarographic oxygen electrode.

Definition of polarography in:

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day antebellum
Pronunciation: ˌantēˈbeləm
adjective
occurring or existing before a particular war…