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Analytical chemistry
Industry: Chemistry
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Analytical chemistry
magnesia mixture
Chemistry; Analytical chemistry
Reagent used to analyze for phosphorus; consists of the filtered liquor from an aqueous mixture of ammonium chloride, magnesium sulfate, and ammonia.
color test
Chemistry; Analytical chemistry
The quantitative analysis of a substance by comparing the intensity of the color produced in a sample by a reagent with a standard color produced similarly in a solution of known strength.
sulfur number
Chemistry; Analytical chemistry
The number of milligrams of sulfur per 100 milliliters of sample, determined by electrometric titration; used in the petroleum industry for oils.
masking reagent
Chemistry; Analytical chemistry
A substance that decreases the concentration of a free metal ion or ligand by conversion into an essentially unreactive form, thus preventing undesirable chemical reactions that would interfere with ...
color throw
Chemistry; Analytical chemistry
In an ion-exchange process, discoloration of the liquid passing through the bed.
sulfur
Chemistry; Analytical chemistry
A substance in the form of pale yellow crystals used in making matches, gunpowder, and fertilizers.
adsorption
Chemistry; Analytical chemistry
The process in which one substance collects on another. In a water filter, particles of pollutants collect on chips of carbon by adsorption.
