Principles of pH metry - Jogi, Pragathi
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A pH meter is an instrument used to measure acidity or alkalinity of a solution - also known as pH. pH is the unit of measure that describes the degree of acidity or alkalinity. It is measured on a scale of 0 to 14.pH meter, electric device used to measure hydrogen-ion activity (acidity or alkalinity) in solution. Fundamentally, a pH meter consists of a voltmeter attached to a pH-responsive electrode and a reference (unvarying) electrode. The pH-responsive electrode is usually glass, and the reference is usually a silver-silver chloride electrode, although a mercury-mercurous chloride…mehr

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Produktbeschreibung
A pH meter is an instrument used to measure acidity or alkalinity of a solution - also known as pH. pH is the unit of measure that describes the degree of acidity or alkalinity. It is measured on a scale of 0 to 14.pH meter, electric device used to measure hydrogen-ion activity (acidity or alkalinity) in solution. Fundamentally, a pH meter consists of a voltmeter attached to a pH-responsive electrode and a reference (unvarying) electrode. The pH-responsive electrode is usually glass, and the reference is usually a silver-silver chloride electrode, although a mercury-mercurous chloride (calomel) electrode is sometimes used. When the two electrodes are immersed in a solution, they act as a battery. The glass electrode develops an electric potential (charge) that is directly related to the hydrogen-ion activity in the solution (59.2 millivolts per pH unit at 25 °C [77 °F]), and the voltmeter measures the potential difference between the glass and reference electrodes.
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Autorenporträt
Dr. Pragathi Jogi hat an der Osmania-Universität in Hyderabad promoviert. Sie verfügt über 12 Jahre Lehrerfahrung in renommierten Einrichtungen. Sie hat 14 Forschungsarbeiten in nationalen/internationalen Fachzeitschriften und auf Konferenzen veröffentlicht. Sie erhielt den "Dr.R.K.Agarwal Award" für die beste Posterpräsentation auf der 30. jährlichen Konferenz des Indian Council of Chemists.