Analytical chemistry

Analytical chemistry

Industry: Chemistry

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Analytical chemistry

saponification number

Chemistry; Analytical chemistry

Milligrams of potassium hydroxide required to saponify the fat, oil, or wax in a 1-gram sample of a given material, using a specific American Society for Testing and Materials test method.

Analysis by chromatography in which the stationary phase consists of beads of porous polymeric material such as a crosslinked dextran carbohydrate derivative sold under the trade name Sephadex; the ...

carbon-hydrogen analyzer

Chemistry; Analytical chemistry

A device used in the quantitative analysis of the carbon and hydrogen content of organic compounds.

screening agent

Chemistry; Analytical chemistry

A nonchelating dye used to improve the colorimetric end point of a complexometric titration; a dye addition forms a complementary pair of colors with the metalized and unmetalized forms of the ...

gold number

Chemistry; Analytical chemistry

A measure of the amount of protective colloid which must be added to a standard red gold sol mixed with sodium chloride solution to prevent the solution from causing the sol to coagulate, as ...

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.