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Chemistry

A branch of physical science that is concerned with the study of matter and energy and how they interact.

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Chemistry > Analytical chemistry

ozonolysis

Chemistry; Analytical chemistry

The use of ozone to locate double bonds.

cryoscopic constant

Chemistry; Analytical chemistry

Equation constant expressed in degrees per mole of pure solvent; used to calculate the freezing-point-depression effects of a solute.

vacuum thermobalance

Chemistry; Analytical chemistry

An instrument used in thermogravimetry consisting of a precision balance and furnace that have been adapted for continuously measuring or recording changes in weight of a ...

paper chromatography

Chemistry; Analytical chemistry

Procedure for analysis of complex chemical mixtures by the progressive absorption of the components of the unknown sample (in a solvent) on a special grade of paper.

cryoscopy

Chemistry; Analytical chemistry

A phase-equilibrium technique to determine molecular weight and other properties of a solute by dissolving it in a liquid solvent and then ascertaining the solvent’s freezing ...

vapor-pressure osmometer

Chemistry; Analytical chemistry

A device for the determination of molecular weights by the decrease of vapor pressure of a solvent upon addition of a soluble sample.

paper electrochromatography

Chemistry; Analytical chemistry

Variation of paper electrophoresis in which the electrolyte-impregnated absorbent paper is suspended vertically and the electrodes are connected to the sides of the paper, ...