Analytical chemistry

Analytical chemistry

Industry: Chemistry

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Analytical chemistry

Transition time

Chemistry; Analytical chemistry

The time interval needed for a working (nonreference) electrode to become polarised during chronopotentiometry (time-measurement electrolysis of a sample).

Nitrometer

Chemistry; Analytical chemistry

Glass apparatus used to collect and measure nitrogen and other gases evolved by a chemical reaction. Also known as azotometer.

Continuous titrator

Chemistry; Analytical chemistry

A titrator so equipped that a reservoir refills the buret.

Transmission diffraction

Chemistry; Analytical chemistry

A type of electron diffraction analysis in which the electron beam is transmitted through a thin film or powder whose smallest dimension is no greater than a few tenths of a micrometer.

Normal bonded-phase chromatography

Chemistry; Analytical chemistry

A technique of bonded-phase chromatography in which the stationary phase is polar and the mobile phase is nonpolar.

Control sample

Chemistry; Analytical chemistry

A material of known composition that is analysed along with test samples in order to evaluate the accuracy of an analytical procedure. Also known as cheque sample.