GRAVIMETRIC ANALYSIS Meaning and
Definition
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Gravimetric analysis refers to a quantitative analytical technique that involves the determination of the concentration or amount of a substance in a sample by measuring its mass. It relies on the principle of measuring the mass of a compound or an element in a sample and then calculating the amount or concentration of the substance of interest based on this measurement.
Gravimetric analysis typically involves a series of steps that begin with the preparation of a known quantity of the sample. The substance of interest is then isolated from the sample, often through precipitation reactions where the analyte is converted into a solid form. The isolated substance is then carefully collected, dried, and weighed using a highly accurate balance.
The weight of the isolated substance is then used to determine the amount or concentration of the analyte in the original sample. This is done by comparing the measured mass of the substance of interest to either a known stoichiometry in the case of a compound or using conversion factors in the case of an element.
Gravimetric analysis is known for its accuracy and precision, making it a valuable technique in many areas of analytical chemistry. It is commonly used in environmental analysis, pharmaceutical industries, and quality control processes. However, this method requires careful control of experimental conditions and can be time-consuming and labor-intensive.
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Quantitative a. by weighing separately each constituent, as such or in the form of a compound of known gravimetric constitution.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for GRAVIMETRIC ANALYSIS
- fravimetric analysis
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Etymology of GRAVIMETRIC ANALYSIS
The word "gravimetric" originates from the Latin word "gravitas", which means "heaviness" or "weight". The term "gravimetric" denotes a type of analysis or method that involves measuring the weight or mass of a substance. Thus, "gravimetric analysis" refers to a quantitative analytical technique in which the amount of a particular substance is determined by measuring its weight.
