The ionic product of water in highly concentrated sodium perchlorate solutions

The ionic product of water in highly concentrated sodium perchlorate solutions

The ionic product of water, p K w=−log[H +][OH −], has been determined in aqueous solutions of sodium perchlorate over the concentration range of 1.0–8.0 M at 25°C from high-precision potentiometric titrations carried out in cells with liquid junction using both glass and hydrogen electrodes. The gl...

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Veröffentlicht in:Talanta (Oxford) 1998-03, Vol.45 (5), p.931-934
Hauptverfasser: Turonek, M.L., Hefter, G.T., May, P.M.
Format: Artikel
Sprache:eng
Schlagworte:
Chemistry
Exact sciences and technology
General and physical chemistry
Glass electrode
High-precision potentiometric titrations
Hydrogen electrode
Sodium perchlorate
Solution properties
Solutions
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Zusammenfassung:The ionic product of water, p K w=−log[H +][OH −], has been determined in aqueous solutions of sodium perchlorate over the concentration range of 1.0–8.0 M at 25°C from high-precision potentiometric titrations carried out in cells with liquid junction using both glass and hydrogen electrodes. The glass electrode results are systematically lower probably as a result of interference by Na + ions.
ISSN:0039-9140
1873-3573
DOI:10.1016/S0039-9140(97)00199-9