单词 | Hammett acidity function |
释义 | Hammett acidity function [`ham·ǝt ǝ`sid·ǝd·ē ´fǝŋk·shǝn] CHEMISTRY An expression for the acidity of a medium, defined as h0=KBH+[BH+][B], where KBH+ is the dissociation constant of the acid form of the indicator, and [BH+] and [B] are the concentrations of the protonated base and the unprotonated base respectively. |
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