Tag: surface and interfacial phenomena notes for pharmacist exam

Surface and interfacial phenomenon: Electrical properties of interfaces and MCQs for GPAT, NIPER, Pharmacist and Drug Inspector exam

ELECTRICAL PROPERTIES OF INTERFACES: The existence of difference in electrical potential across a solid–liquid interface is demonstrated by the following phenomena: Electrophoresis: Movement of dispersed particles through a liquid medium under the influence of an electric field. Electro-osmosis: Movement of […]

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Surface and interfacial phenomenon: Solubilization and detergency and MCQs for GPAT, NIPER, Pharmacist and Drug Inspector exam

SOLUBILIZATION: It can be defined as the preparation of a thermodynamically stable isotropic solution of a substance normally insoluble or very slightly soluble in a given solvent by the addition of component or by any suitable methods. SOLUBILITY: The maximum […]

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Measurement of Surface and Interfacial tension, Ring Detachment Method (du Nouy tensiometer) and Wilhelmy Plate Method and MCQs for GPAT, NIPER, Pharmacist and Drug Inspector exam

Ring Detachment Method (du Nouy tensiometer): The du Nouy’s ring method is similar to the Wilhelmy plate method, but it uses a ring or loop of wire. A platinum or Iridium wire of ~4 cm in circumference is suspended from […]

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