From e.m.f. measurements on the concn. cells Ag|AgCl|RbCl (m)‖RbCl (mf)|AgCl|Ag and Rb-amalgam|RbCl (mf)‖RbCl (m)Rb-amalgam, the ion and solvent transference nos. have been detd. for aq. RbCl solns. at molalities up to 7 mol kg-1 over the temp. range from 25 to 55°C. From the ionic transference nos. found, aq. RbCl emerges as the most closely equitransferent salt bridge ever characterized. Considering also its high soly. (7.8 mol kg-1 at 25°C), RbCl is recommended as a built-in salt bridge for ref. electrodes, in view of replacing the insufficiently equitransferent KCl bridges so far adopted by manufacturers.

Characterization of aqueous rubidium chloride as an equitransferent ultraconcentrated salt bridge / C. Buizza, P.R. Mussini, T. Mussini, S. Rondinini. - In: JOURNAL OF APPLIED ELECTROCHEMISTRY. - ISSN 0021-891X. - 26:3(1996 Mar), pp. 337-341.

Characterization of aqueous rubidium chloride as an equitransferent ultraconcentrated salt bridge

P.R. Mussini
Secondo
;
T. Mussini
Penultimo
;
S. Rondinini
Ultimo
1996

Abstract

From e.m.f. measurements on the concn. cells Ag|AgCl|RbCl (m)‖RbCl (mf)|AgCl|Ag and Rb-amalgam|RbCl (mf)‖RbCl (m)Rb-amalgam, the ion and solvent transference nos. have been detd. for aq. RbCl solns. at molalities up to 7 mol kg-1 over the temp. range from 25 to 55°C. From the ionic transference nos. found, aq. RbCl emerges as the most closely equitransferent salt bridge ever characterized. Considering also its high soly. (7.8 mol kg-1 at 25°C), RbCl is recommended as a built-in salt bridge for ref. electrodes, in view of replacing the insufficiently equitransferent KCl bridges so far adopted by manufacturers.
Settore CHIM/01 - Chimica Analitica
Settore CHIM/02 - Chimica Fisica
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2434/175034
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