{TAIL ~ The especially high dissociation} of the polyfunctional acids results in a desirable high conductivity, but in the event of rather high acid concentrations this produces a pH value so low that {HEAD ~ the release} of hydrogen at the anode may prove inconvenient 
{ TAIL ~ The especially high dissociation } of the polyfunctional acids results in a desirable high conductivity , but in the event of rather high acid concentrations this produces a pH value so low that { HEAD ~ the release } of hydrogen at the anode may prove inconvenient
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