| Definition: | quotient of the amount of substance nB of ions B, contained in a given volume V of a solution, by that volume cB = nB / V
Note 1 to entry: The coherent SI unit of ion concentration is mole per cubic metre, mol/m3. A usual unit is mole per litre, mol/l. Note 2 to entry: This entry was numbered 111-15-25 in IEC 60050-111:1996. It has been modified.
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