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|Title:||Studies on viscosity of binary mixtures of 4-methyl-2-pentanone with some hydrocarbons|
|Authors:||Yadava, S S|
|Abstract:||Viscosities of the binary mixtures of a polar molecule, 4-methyl-2-pentanone with some hydrocarbons, cyclohexane, benzene, methylbenzene and 1,4-dimethylbenzene for the whole mole fraction range have been measured at 293.15 K.. Excess viscosities for all the binary mixtures studied have been reported. The binary mixture with cyclohexane has high negative values of excess viscosity for the whole mole fraction range. Excess viscosity for the mixture increases (becomes less negative) with aromatic hydrocarbon, benzene. It increases further in ketone + methylbenzene system at lower mole fraction of methylbenzene and becomes positive at higher mole fractions of it. Similar trend has been observed when methylbenzene is replaced with 1,4-dimethylbenzene. Parameters d and C of the Grunberg- Nissan equation and the Hind-McLaughlin- Ubbelohde equation respectively have been calculated. Attempts have been made to correlate the excess viscosity and d values with the nature and strength of molecular interactions and steric effects on them. It has also been found that the viscosities of the binary mixtures studied can be better described by the Hind-McLaughlin- Ubbelohde equation.|
|Appears in Collections:||IJC-A Vol.34A(02) [February 1995]|
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