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Analytical chemistry
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Analytical chemistry
Orsat analyzer
Chemistry; Analytical chemistry
Gas analysis apparatus in which various gases are absorbed selectively (volumetric basis) by passing them through a series of preselected solvents.
Oswald diagram
Chemistry; Analytical chemistry
Diagram used in fuel Orsat analyses by plotting percent by volume CO 2 (carbon dioxide) maximum in the fuel (ordinate) versus percent by volume O 2 (oxygen) in air (abscissa); O 2 and CO 2 Orsat ...
Paar turbidimeter
Chemistry; Analytical chemistry
A visual-extinction device for measurement of solution turbidity; the length of the column of liquid suspension is adjusted until the light filament can no longer be seen.
Pasteur’s salt solution
Chemistry; Analytical chemistry
Laboratory reagent consisting of potassium phosphate and calcium phosphate, magnesium sulfate, and ammonium tartrate in distilled water.
Boettger’s test
Chemistry; Analytical chemistry
A test for the presence of saccharides, utilizing the reduction of bismuth subnitrate to metallic bismuth, a precipitate.
Bouguer-Lambert-Beer law
Chemistry; Analytical chemistry
The intensity of a beam of monochromatic radiation in an absorbing medium decreases exponentially with penetration distance. Also known as Beer-Lambert-Bouguer law; Lambert-Beer law.
Bouguer-Lambert law
Chemistry; Analytical chemistry
The law that the change in intensity of light transmitted through an absorbing substance is related exponentially to the thickness of the absorbing medium and a constant which depends on the sample ...
