CELLULE DE HITTORF PDF

Differences in transport number arise from differences in electrical mobility. For example, in an aqueous solution of sodium chloride, less than half of the current is carried by the positively charged sodium ions cations and more than half is carried by the negatively charged chloride ions anions because the chloride ions are able to move faster, i. The sum of the transport numbers for all of the ions in solution always equals unity. The concept and measurement of transport number were introduced by Johann Wilhelm Hittorf in the year There are two experimental techniques for the determination of transport numbers. The Hittorf method is based on measurements of ion concentration changes near the electrodes.

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Category:Electrochemistry

From Wikimedia Commons, the free media repository. Subcategories This category has the following 25 subcategories, out of 25 total. Media in category "Electrochemistry" The following files are in this category, out of total. ActivityCoefficientsDaviesEquation lin. ActivityCoefficientsDaviesEquation log. Animated Chemiresistor Sensor. Anode effect steel.

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Ion transport number

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