Ref. value stds., pHRVS, for 0.05 mol/kg potassium hydrogen phthalate (KHPh) ref. buffer solns. in 10, 20, 40, and 70 wt% ethanol/water solvent mixts. from -5 to +40° were detd. from reversible emf. measurements. A large set of such emf. values (546 cells) was analyzed in terms of a multilinear regression method. Ancilliary values of the first ionization const. of o-phthalic acid (H2Ph; the parent acid to KHPh), required for the above calcns., were detd. also from reversible emf. measurements over the same range of solvent compns. and temps.
Titolo: | Reference value standards for pH measurements, and first ionization constants of o-phthalic acid, in ethanol/water solvent mixtures at temperatures from -5 to +40°C |
Autori: | LONGHI, PAOLO (Primo) MUSSINI, PATRIZIA ROMANA (Secondo) MUSSINI, TORQUATO (Penultimo) RONDININI, SANDRA (Ultimo) |
Settore Scientifico Disciplinare: | Settore CHIM/01 - Chimica Analitica Settore CHIM/02 - Chimica Fisica |
Data di pubblicazione: | 1989 |
Rivista: | |
Tipologia: | Article (author) |
Digital Object Identifier (DOI): | 10.1021/je00055a018 |
Appare nelle tipologie: | 01 - Articolo su periodico |
File in questo prodotto:
Non ci sono file associati a questo prodotto.
I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.