Tie Lines in Two-Liquid-Phase Systems

1940 ◽  
Vol 12 (1) ◽  
pp. 35-37 ◽  
Author(s):  
A. V. Brancker ◽  
T. G. Hunter ◽  
A. W. Nash
Keyword(s):  
Liquid Phase ◽  
Tie Lines ◽  
Phase Systems

scholarly journals The Effect of Salts on the Liquid–Liquid Phase Equilibria of PEG600 + Salt Aqueous Two-Phase Systems

2013 ◽  
Vol 58 (12) ◽  
pp. 3528-3535 ◽  
Author(s):  
Sara C. Silvério ◽  
Oscar Rodríguez ◽  
José A. Teixeira ◽  
Eugénia A. Macedo
Keyword(s):  
Liquid Phase ◽  
Phase Equilibria ◽  
Two Phase ◽  
Aqueous Two Phase Systems ◽  
Phase Systems

Absorbed electron doses in mixed liquid-phase systems

1982 ◽  
Vol 53 (1) ◽  
pp. 496-497
Author(s):  
�. D. Grushkova ◽  
V. V. Krayushkin ◽  
Yu. D. Kozlov
Keyword(s):  
Liquid Phase ◽  
Phase Systems

Liquid-Liquid Equilibria for Acetone + Several Citrates Aqueous Two-Phase Systems at Different Temperatures

2012 ◽  
Vol 549 ◽  
pp. 30-35
Author(s):  
Shi Ping Hu ◽  
Juan Han ◽  
Yong Sheng Yan ◽  
Yu Tao Hu
Keyword(s):  
Ternary Systems ◽  
Data Fitting ◽  
Potassium Citrate ◽  
Liquid Equilibrium ◽  
Two Phase ◽  
Different Temperatures ◽  
Tie Lines ◽  
Aqueous Two Phase Systems ◽  
Phase Systems ◽  
Tie Line

Liquid-liquid equilibria for the three kinds of the ternary systems acetone + ammonium, sodium or potassium citrate + water have been determined at T= (273.15, 283.15, and 298.15) K. Binodal curves, tie-lines, and integrated phase diagrams for the ternary systems are given. The data of the experimental bimodal curve are described with a four-parameter equation. The result also shows the temperature has little influence on the liquid-liquid equilibrium within the investigated range. The tie-line data calculated according to the bimodal data fitting equation and the lever arm rule were satisfactorily described by using the Othmer-Tobias and Bancroft equations, and the result conform the reliability of the calculation method and corresponding tie-line data.

Biotransformations in two-liquid-phase systems

1999 ◽  
Vol 25 (8-9) ◽  
pp. 729-735 ◽  
Author(s):  
Francesco Molinari ◽  
Raffaella Gandolfi ◽  
Fabrizio Aragozzini ◽  
Rosa Leon ◽  
Duarte M.F. Prazeres
Keyword(s):  
Liquid Phase ◽  
Phase Systems

Americium(III)/curium(III) separation by countercurrent chromatography using malonamide extractants

2005 ◽  
Vol 93 (1) ◽  
Author(s):  
B. F. Myasoedov ◽  
T. A. Maryutina ◽  
M. N. Litvina ◽  
D. A. Malikov ◽  
Yu. M. Kulyako ◽  
...  
Keyword(s):  
Liquid Phase ◽  
Stationary Phase ◽  
Flow Rate ◽  
Mobile Phase ◽  
Countercurrent Chromatography ◽  
Column Length ◽  
Isocratic Elution ◽  
Phase Systems ◽  
Phase Retention

AbstractThe separation of Am(III) and Cm(III) by countercurrent chromatography (CCC) was achieved using the liquid phase systems "diamide–hydrogenated tetrapropylene (TPH)–HNOThe following diamide extractants have been studied: (i) N,N´-dimethyl-N,N´-dibutyltetradecylmalonamide (DMDBTDMA), (ii) N,N´-dimethyl-N,N´-dioctylhexyl-ethoxymalonamide (DMDOHEMA) and (iii) N,N´-dimethyl-N,N´-dibutyldodecylethoxymalonamide (DMDBDDEMA). It is shown that these diamides can be used for the separation of Am(III) and Cm(III) by CCC. Increasing the column length leads to an increase of the stationary phase retention on the column while improving the Am/Cm separation. Increasing the speed of rotation of the centrifuge from 660 to 950 rpm also results in increasing the stationary phase retention but does not influence the resolution of the Am/Cm separation. Decreasing the flow rate of the mobile phase from 1.0 to 0.5 mL/min leads to a better resolution of Am and Cm separation. The best Am/Cm separation was achieved with systems based on DMDBDDEMA and DMDOHEMA in TPH using a two-layer coil column and an isocratic elution mode. The application of CCC makes it possible to separate the elements within 100 min: the Cm fraction contains 99.5% of Cm(III) and 0.6% of Am(III) inventories and the Am fraction contains 99.4% of Am(III) and 0.5% of Cm(III).

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