Gravimetric analysis is a quantitative analytical technique used to determine the concentration of an analyte in a sample based on its mass. This method relies on the principle that the mass of a pure compound can be determined accurately, allowing for the calculation of the mass of the analyte present. Gravimetric analysis involves several steps, including sample preparation, precipitation or formation of a pure compound containing the analyte, filtration, washing, drying, and weighing. The mass of the pure compound formed is then used to calculate the amount of analyte present in the original sample. Gravimetric analysis is widely used in chemistry for the determination of metal ions, non-metal ions, and organic compounds. It offers high precision and accuracy, particularly for substances that can be isolated in pure form with minimal contamination. Gravimetric methods are commonly employed in quality control, environmental analysis, and research laboratories. Specialized techniques such as volatilization gravimetry and combustion gravimetry are utilized for specific types of analyses. Gravimetric analysis requires careful attention to detail and strict adherence to procedural protocols to minimize errors and ensure reliable results. Continuous advancements in instrumentation, automation, and data analysis software enhance the efficiency and accuracy of gravimetric techniques in modern analytical laboratories.
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Gbolahan O Oduselu, University of Ghana, Ghana
Title : Expanding and improve the 2D periodic law of Менделееь elements, and construct the 3D periodic law of elements
Zhongsheng Lee, Zhengzhou Commercial Technician College, China
Title : Advances in plasma-based radioactive waste treatment
Hossam A Gabbar, Ontario Tech University, Canada