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| Study on Homogeneous Decomposition of Sodium Aluminate Solution by Conductometry |
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Received:April 20, 2015
Revised:April 21, 2015
Accepted:April 24, 2015
Published Online:October 19, 2015
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| DOI：doi：10.3969/j.issn.1007-7545.2015.11.005 |
| KeyWord:on-line conductivity detection; sodium aluminate solution; homogeneous decomposition; conductivity |
| Author | Institution |
| LI Jun |
中南大学 化学化工学院 |
| YIN Zhou-Lan |
中南大学 化学化工学院 |
| DING Zhi-Ying |
中南大学 化学化工学院 |
| ZHANG Ping-Min |
中南大学 化学化工学院 |
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| Abstract: |
| The stability of homemade online testing system of solution conductivity and constant of electrode conductivity cell were tested by laboratory water and 1 mol/L KCl. The results show that the testing data is stable and reliable, and the constant of electrode conductivity cell is 136 cm-1. The conductivity of sodium aluminate solution (c(Na2O)=110 g/L, αk=1.33), which changes over time when decomposed homogeneously, is measured. The characteristics at each stage of decomposition are illustrated analysis on equivalent circuit of solution. |
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