Measurement and correlation of physical properties of aqueous solutions of tetrabutylammonium hydroxide, piperazine and their aqueous blends

Rizwan Safdar; Abdul Aziz Omar; Lukman B. Ismail; Arhama Bari; Bhajan Lal

doi:10.1016/j.cjche.2015.08.006

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Measurement and correlation of physical properties of aqueous solutions of tetrabutylammonium hydroxide, piperazine and their aqueous blends

化工热力学 | Updated：2026-01-06

- Measurement and correlation of physical properties of aqueous solutions of tetrabutylammonium hydroxide, piperazine and their aqueous blends
- Measurement and correlation of physical properties of aqueous solutions of tetrabutylammonium hydroxide, piperazine and their aqueous blends
- 中国化学工程学报（英文版） 2015年23卷第11期页码：1811-1818
- Affiliations：
  
  2 School of Engineering and Physical Science, Heriot-Watt University Malaysia, Federal Territory of Putrajaya, Putrajaya,Malaysia,62100
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2015.08.006
  中图分类号：
- 纸质出版：2015
- Accepted：
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Rizwan Safdar, Abdul Aziz Omar, Lukman B. Ismail, 等. Measurement and correlation of physical properties of aqueous solutions of tetrabutylammonium hydroxide, piperazine and their aqueous blends[J]. 中国化学工程学报（英文版）, 2015,23(11):1811-1818.

Rizwan Safdar, Abdul Aziz Omar, Lukman B. Ismail, Arhama Bari, Bhajan Lal. Measurement and correlation of physical properties of aqueous solutions of tetrabutylammonium hydroxide, piperazine and their aqueous blends[J]. Chin.J.Chem.Eng., 2015, 23(11): 1811-1818.
Rizwan Safdar, Abdul Aziz Omar, Lukman B. Ismail, 等. Measurement and correlation of physical properties of aqueous solutions of tetrabutylammonium hydroxide, piperazine and their aqueous blends[J]. 中国化学工程学报（英文版）, 2015,23(11):1811-1818. DOI： 10.1016/j.cjche.2015.08.006.

Rizwan Safdar, Abdul Aziz Omar, Lukman B. Ismail, Arhama Bari, Bhajan Lal. Measurement and correlation of physical properties of aqueous solutions of tetrabutylammonium hydroxide, piperazine and their aqueous blends[J]. Chin.J.Chem.Eng., 2015, 23(11): 1811-1818. DOI： 10.1016/j.cjche.2015.08.006.

摘要

Abstract

The density

viscosity and refractive index of aqueous solutions of tetrabutylammoniumhydroxide (TBAOH)

piperazine (PZ) and their aqueous blends are determined at several temperatures (303.15 to 333.15 K). All these measured physicochemical properties decreases with an increase in temperature. The density data is used to calculate the coefficient of thermal expansion and excess molar volume of all aqueous binary and ternary solutions. The coefficient of thermal expansion increases with increase in temperatures and concentrations. The negativity of excess molar volume for all the aqueous solution decreasedwith increase in temperature. Each physical property is correlated with temperature by least square method and the corresponding coefficients for each property are presented. The prediction values fromcorrelations for the physical properties are in good agreement with the experimental values.

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