Simpson, Stephen G. Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts.
Last reviewed:June 2019
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The branch of quantitative chemical analysis in which a desired constituent is converted (usually by precipitation) to a pure compound or element of definite, known composition, and then weighed. In a few cases, a compound or element is formed which does not contain the constituent but bears a definite mathematical relationship to it. In either case, the amount of desired constituent can be determined from the weight and composition of the precipitate. The following are the essential steps in a conventional gravimetric analysis (see illustration). See also: Balance; Quantitative chemical analysis
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