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Tomhas ar aigéadacht tuaslagáin. Cothrom, a bheag nó a mhór, le míneas logartam coiteann thiúchan na n-ian hidrigine sa tuaslagán (i móil in aghaidh an lítir). San uisce bíonn iolrú thiúchan na n-ian hidrigine [H+] is na n-ian hiodrocsaíde [OH-] cothrom le 10-14 ag gnáth-theochtaí. Luíonn pH tuaslagán uisciúil idir 0 (an-aigéadach) agus 14 (an-bhunata). Tugtar tuaslagán neodrach ar thuaslagán le pH = 7.[1]
Cineál | feidhm aigéadachta |
---|---|
Ar bhonn foirmiúil ag | S. P. L. Sørensen |
Foirmle |
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