Analytical chemistry

Analytical chemistry

Industry: Chemistry

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Analytical chemistry

Differential ebuliometer

Chemistry; Analytical chemistry

Apparatus for precise and simultaneous measurement of both the boiling temperature of a liquid and the condensation temperature of the vapours of the boiling liquid.

Absorptiometric analysis

Chemistry; Analytical chemistry

Chemical analysis of a gas or a liquid by measurement of the peak electromagnetic absorption wavelengths that are unique to a specific material or element.

Insoluble matter that can be separated from used lubricating oil in solution in n-pentane; may include resinous bitumens produced from the oxidation of oil and fuel; used in an American Society for ...

Differential polarography

Chemistry; Analytical chemistry

Technique of polarographic analysis which measures the difference in current flowing between two identical dropping-mercury electrodes at the same potential but in different solutions.

Absorptivity

Chemistry; Analytical chemistry

The constant a in the Beer’s law relation A _ abc, where A is the absorbance, b the path length, and c the concentration of solution. Also known as absorptive power. Formerly known as absorbency ...

Permeametry

Chemistry; Analytical chemistry

Determination of the average size of fine particles in a fluid (gas or liquid) by passing the mixture through a powder bed of known dimensions and recording the pressure drop and flow rate through ...

Differential scanning calorimetry

Chemistry; Analytical chemistry

A method in which a sample and a reference are individually heated (by separately controlled resistance heaters, at a predetermined rate), and enthalpic (heat-generating or -absorbing) processes are ...