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Mean activity coeff...
Mean activity coefficients of NaCl in (sodium chloride + sodium bicarbonate + water) fromT = (293.15 to 308.15) K
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Ji, Xiaoyan (författare)
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- Lu, Xiaohua (författare)
- Nanjing University of Chemical Technology
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- Lin, Weilu (författare)
- Nanjing University of Chemical Technology
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- Zhang, Luzheng (författare)
- Nanjing University of Chemical Technology
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- Wang, Yanru (författare)
- Nanjing University of Chemical Technology
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- Shi, Jun (författare)
- Nanjing University of Chemical Technology
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- Lu, Benjamin C. -Y. (författare)
- University of Ottawa
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(creator_code:org_t)
- Elsevier BV, 2001
- 2001
- Engelska.
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Ingår i: Journal of Chemical Thermodynamics. - : Elsevier BV. - 0021-9614 .- 1096-3626. ; 33, s. 1107-1119
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
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- The mean activity coefficients of NaCl in (sodium chloride + sodium bicarbonate + water) were determined experimentally in the temperature range 293.15 K to 308.15 K at four NaHCO3 molality fractions (0.1, 0.3, 0.5, and 0.7). The measurements were made with an electrochemical cell, using a Na+ glass ion-selective electrode and a Cl- solid-state ion-selective electrode. The experimental values reported by Butler and Huston are found to be higher than those calculated from the Pitzer equation using the existing parameters while the experimental results of this work are close to the calculated values, up to an NaHCO3 molality fraction of 0.5. At the NaHCO3 molality fraction of 0.7, the experimental data are much lower than the calculated values, implying that the interference of HCO3- on the Na+ glass ion-selective electrode can only be neglected up to a molality fraction of NaHCO3 of 0.5, an observation which is consistent with that of Butler and Huston.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Energiteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Energy Engineering (hsv//eng)
Nyckelord
- Energiteknik
- Energy Engineering
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- ref (ämneskategori)
- art (ämneskategori)
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