Analytical chemistry

Analytical chemistry

Industry: Chemistry

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Analytical chemistry

Polarographic analysis

Chemistry; Analytical chemistry

An electroanalytical technique in which the current through an electrolysis cell is measured as a function of the applied potential; the apparatus consists of a potentiometer for adjusting the ...

Electrobalance

Chemistry; Analytical chemistry

Analytical microbalance utilising electromagnetic weighing; the sample weight is balanced by the torque produced by current in a coil in a magnetic field, with torque proportional to the current.

Precise resolution of a volatile liquid mixture into its components; the mixture is vaporised by heat or vacuum, and the vaporised components are recondensed into liquids at their respective boiling ...

Polarographic cell

Chemistry; Analytical chemistry

Device for polarographic (voltammetric) analysis of an electrolyte solution; a known voltage is applied to the solution, and the ensuing current that passes through the cell (to an electrode) is ...

Electrochromatography

Chemistry; Analytical chemistry

Type of chromatography that utilises application of an electric potential to produce an electric differential. Also known as electropherography.

Analytical extraction

Chemistry; Analytical chemistry

Precise transfer of one or more components of a mixture (liquid to liquid, gas to liquid, solid to liquid) by contacting the mixture with a solvent in which the component of interest is ...

Polarographic maximum

Chemistry; Analytical chemistry

A deceptively high voltage buildup on an electrode during polarographic analysis of an electrolyte; caused by a reduction or oxidation process at the electrode.