Excess enthalpies and weak interactions in liquid mixtures of methylene chloride with benzene, toluene and xylenes

Author(s):  
R. K. Nigam ◽  
B. S. Mahl
e-Polymers ◽  
2011 ◽  
Vol 11 (1) ◽  
Author(s):  
Stanislaw Frackowiak ◽  
Monika Maciejewska ◽  
Andrzej Szczurek ◽  
Marek Kozlowski

AbstractCarbon black-filled polymer composites were investigated as sensing materials for organic liquids. Polypropylene and polystyrene which were selected as matrices and various amounts of carbon black were considered as the main factors influencing sensitivity of the composites in view of the percolation theory. Disposable filaments were produced of these materials. Change in their electrical resistivity was measured upon immersion in benzene, toluene, xylene, ethylbenzene and their mixtures. It has been found that studied materials were sensitive to the composition of liquid mixtures of organic solvent. Relationships between the filament response and volumetric fraction of the components were presented. The studied materials have shown promising sensing properties, which suggest their applicability for identification and quantification of multicomponent organic liquids.


1979 ◽  
Vol 260O (1) ◽  
Author(s):  
B. S. Mahl ◽  
J. R. Khurma ◽  
M. S. Dhillon ◽  
Z. S. Kooner

1979 ◽  
Vol 260 (1) ◽  
Author(s):  
B. S. Mahl ◽  
J. R. Khurma ◽  
M. S. Dhillon ◽  
Z. S. Kooner

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