Transcription of THEORY AND APPLICATION OF CONDUCTIVITY - …
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THEORY AND APPLICATION OF CONDUCTIVITY - …
BACKGROUNDC onductivity is a measure of how well a solutionconducts electricity. To carry a current a solution mustcontain charged particles, or ions. Most conductivitymeasurements are made in aqueous solutions, andthe ions responsible for the CONDUCTIVITY come fromelectrolytes dissolved in the water. Salts (like sodiumchloride and magnesium sulfate), acids (likehydrochloric acid and acetic acid), and bases (likesodium hydroxide and ammonia) are all water itself is not an electrolyte, it does havea very small CONDUCTIVITY , implying that at least someions are present. The ions are hydrogen and hydroxide,and they originate from the dissociation of molecularwater. See Figure is not specific. It measures the totalconcentration of ions in solution. It cannot distinguishone electrolyte or ion from another. Not all aqueous solutions have CONDUCTIVITY . Solutionsof non-electrolytes, for example sugar or alcohol, haveno CONDUCTIVITY because neither sugar nor alcoholcontains ions nor do they produce ions whendissolved in OF CONDUCTIVITYC onductivity measurements are widely used in important applications are described below.
BACKGROUND Conductivity is a measure of how well a solution conducts electricity. To carry a current a solution must contain charged particles, or ions.
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