Liquid junction potential (shortly LJP) occurs when two solutions of electrolytes of different concentrations are in contact with each other. The more concentrated solution will have a tendency to diffuse into the comparatively less concentrated one. The rate of diffusion of each ion will be roughly proportional to its speed in an electric field, or their ion mobility. If the anions diffuse more rapidly than the cations, they will diffuse ahead into the dilute solution, leaving the latter negatively charged and the concentrated solution positively charged. This will result in an electrical double layer of positive and negative charges at the junction of the two solutions. Thus at the point of junction, a potential difference will develop because of the ionic transfer. This potential is cal
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| - Potencial d'unió líquida (ca)
- Potencial de unión líquida (es)
- Liquid junction potential (en)
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| - El potencial d'unió líquida es produeix quan dues dissolucions de diferents concentracions estan en contacte entre si. S'origina en la interfície una diferència de potencial anomenada potencial d'unió. És molt petita, de l'ordre d'uns pocs mil·livolts. La dissolució més concentrada tindrà una tendència a migrar cap a la relativament menys concentrada i si els ions no difonen a igual velocitat es produirà una diferència de potencial. (ca)
- El potencial de unión líquida se produce cuando dos disoluciones de diferentes concentraciones están en contacto entre sí a través de una membrana semipermeable. Se origina en la interfase una diferencia de potencial llamada potencial de unión. Es muy pequeña, del orden de unos pocos milivoltios. La disolución más concentrada tendrá una tendencia a migrar hacia la relativamente menos concentrada y si los iones no difunden a igual velocidad se producirá una diferencia de potencial. (es)
- Liquid junction potential (shortly LJP) occurs when two solutions of electrolytes of different concentrations are in contact with each other. The more concentrated solution will have a tendency to diffuse into the comparatively less concentrated one. The rate of diffusion of each ion will be roughly proportional to its speed in an electric field, or their ion mobility. If the anions diffuse more rapidly than the cations, they will diffuse ahead into the dilute solution, leaving the latter negatively charged and the concentrated solution positively charged. This will result in an electrical double layer of positive and negative charges at the junction of the two solutions. Thus at the point of junction, a potential difference will develop because of the ionic transfer. This potential is cal (en)
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| - El potencial d'unió líquida es produeix quan dues dissolucions de diferents concentracions estan en contacte entre si. S'origina en la interfície una diferència de potencial anomenada potencial d'unió. És molt petita, de l'ordre d'uns pocs mil·livolts. La dissolució més concentrada tindrà una tendència a migrar cap a la relativament menys concentrada i si els ions no difonen a igual velocitat es produirà una diferència de potencial. (ca)
- El potencial de unión líquida se produce cuando dos disoluciones de diferentes concentraciones están en contacto entre sí a través de una membrana semipermeable. Se origina en la interfase una diferencia de potencial llamada potencial de unión. Es muy pequeña, del orden de unos pocos milivoltios. La disolución más concentrada tendrá una tendencia a migrar hacia la relativamente menos concentrada y si los iones no difunden a igual velocidad se producirá una diferencia de potencial. (es)
- Liquid junction potential (shortly LJP) occurs when two solutions of electrolytes of different concentrations are in contact with each other. The more concentrated solution will have a tendency to diffuse into the comparatively less concentrated one. The rate of diffusion of each ion will be roughly proportional to its speed in an electric field, or their ion mobility. If the anions diffuse more rapidly than the cations, they will diffuse ahead into the dilute solution, leaving the latter negatively charged and the concentrated solution positively charged. This will result in an electrical double layer of positive and negative charges at the junction of the two solutions. Thus at the point of junction, a potential difference will develop because of the ionic transfer. This potential is called liquid junction potential or diffusion potential which is non-equilibrium potential. The magnitude of the potential depends on the relative speeds of the 'ions' movement. (en)
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