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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 
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 ...
gel permeation chromatography
Chemistry; Analytical chemistry
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 ...
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 ...
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 ...
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 ...
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