Meaning | (from potential of Hydrogen) the logarithm of the reciprocal of hydrogen-ion concentration in gram atoms per liter; provides a measure on a scale from 0 to 14 of the acidity or alkalinity of a solution (where 7 is neutral and greater than 7 is more basic and less than 7 is more acidic). |
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Synonym | pH scale |
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Category | chemistry, chemical science | The science of matter |
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Narrower | acidity | pH values below 7 |
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alkalinity | pH values above 7 |
neutrality | pH value of 7 |
Broader | hydrogen ion concentration | The number of moles of hydrogen ions per cubic decimeter |
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Spanish | ph, pH |
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Catalan | ph, pH, PH |
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