Transport of Some Strong Incompletely Dissociated Acids through Anion-exchange Membrane

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216275%3A25310%2F03%3A00000571" target="_blank" >RIV/00216275:25310/03:00000571 - isvavai.cz</a>

Výsledek na webu

—

DOI - Digital Object Identifier

—

Jazyk výsledku

angličtina

Název v původním jazyce

Transport of Some Strong Incompletely Dissociated Acids through Anion-exchange Membrane

Popis výsledku v původním jazyce

Nitric and sulfuric acids belong among strong incompletely dissociated acids, so that in the description of their transport through an ion-exchange membrane, ionic equilibria have to be taken into account. The paper presents the determination of ionic mobilities and diffusivity of non-dissociated form of these acids. For that purpose, data on the dialysis experiments with nitric and sulfuric acids in a batch mixed cell with an anion-exchange membrane NEOSEPTA-AFN, which have been completed by those on the membrane conductivity, have been used. The dependencies of ionic mobilities and diffusivity of non-dissociated form of nitric acid upon the acid concentration in the membrane have been approximated by the second degree polynomials. Their coefficientshave been determined by the numerical integration of the partial differential equation describing the concentration fields of the acids in the membrane and liquid films on both the sides of the membrane followed by an optimizing procedure

Název v anglickém jazyce

Transport of Some Strong Incompletely Dissociated Acids through Anion-exchange Membrane

Popis výsledku anglicky

Nitric and sulfuric acids belong among strong incompletely dissociated acids, so that in the description of their transport through an ion-exchange membrane, ionic equilibria have to be taken into account. The paper presents the determination of ionic mobilities and diffusivity of non-dissociated form of these acids. For that purpose, data on the dialysis experiments with nitric and sulfuric acids in a batch mixed cell with an anion-exchange membrane NEOSEPTA-AFN, which have been completed by those on the membrane conductivity, have been used. The dependencies of ionic mobilities and diffusivity of non-dissociated form of nitric acid upon the acid concentration in the membrane have been approximated by the second degree polynomials. Their coefficientshave been determined by the numerical integration of the partial differential equation describing the concentration fields of the acids in the membrane and liquid films on both the sides of the membrane followed by an optimizing procedure

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

CI - Průmyslová chemie a chemické inženýrství

OECD FORD obor

—

Projekt

—

Návaznosti

Z - Vyzkumny zamer (s odkazem do CEZ)

Rok uplatnění

2003

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Journal of Colloid and Interface Science

ISSN

0021#9797

e-ISSN

—

Svazek periodika

Neuveden

Číslo periodika v rámci svazku

268

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

12

Strana od-do

188-199

Kód UT WoS článku

—

EID výsledku v databázi Scopus

—