Analytical chemistry

Analytical chemistry

Industry: Chemistry

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Analytical chemistry

equilibrium still

Chemistry; Analytical chemistry

Recirculating distillation apparatus (no product withdrawal) used to determine vapor-liquid equilibria data.

bead test

Chemistry; Analytical chemistry

In mineral identification, a test in which borax is fused to a transparent bead, by heating in a blowpipe flame, in a small loop formed by platinum wire; when suitable minerals are melted in this ...

quinhydrone electrode

Chemistry; Analytical chemistry

A platinum wire in a saturated solution of quinhydrone; used as a reversible electrode standard in pH determinations.

An analytical technique in which the characteristics or the amount of volatile products released by a substance and its reaction products are determined as a function of temperature while the sample ...

biamperometry

Chemistry; Analytical chemistry

Amperometric titration that uses two polarizing or indicating electrodes to detect the end point of a redox reaction between the substance being titrated and the titrant.

radial chromatography

Chemistry; Analytical chemistry

A circular disk of absorbent paper which has a strip (wick) cut from edge to center to dip into a solvent; the solvent climbs the wick, touches the sample, and resolves it into concentric rings (the ...

excitation purity

Chemistry; Analytical chemistry

The ratio of the departure of the chromaticity of a specified color to that of the reference source, measured on a chromaticity diagram; used as a guide of the wavelength of spectrum color needed to ...