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Activity coefficien...
Activity coefficients of HCl in the HCl + NH4Cl + H2O systems at 298.15 and 313.15 K
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Ji, Xiaoyan (författare)
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- Lu, Xiaohua (författare)
- Nanjing University of Chemical Technology
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- Li, Shaowu (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)
- 1999-11-18
- 2000
- Engelska.
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Ingår i: Journal of Chemical and Engineering Data. - : American Chemical Society (ACS). - 0021-9568 .- 1520-5134. ; 45:1, s. 29-33
- 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
Stäng
- Using the ion-selective electrode method with a concentrated electrolyte solution added continuously, the mean activity coefficients of HCl in the HCl + NH4Cl + H2O system were experimentally measured at 298.15 and 313.15 K and at five molality fractions of NH4Cl (y2 = mNH4Cl/(mHCl + mNH4Cl) from 0.1 to 0.9. The measurements were made by an electrochemical cell using a H glass ion-selective electrode and a chloride solid-state ion-selective electrode. It was found that the influence of NH4+ on the H glass ion-selective electrode could be neglected up to 1.3 molkg-1, and this pair of ion-selective electrodes was suitable for determining the activity coefficients of HCl in the system. A new set of Pitzer mixing parameters, correlated from the experimental results, was used to calculate the activity coefficients for HCl in the system from 293.15 to 313.15 K up to 3.0 molkg-1.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Energiteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Energy Engineering (hsv//eng)
Nyckelord
- Energiteknik
- Energy Engineering
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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