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Title: Ultrasonic studies on dye stain removal by surfactants
Authors: Kannappan, V
Santhi, R Jaya
Issue Date: Jul-2004
Publisher: NISCAIR-CSIR, India
IPC Code: Int. Cl.7 B01J 19/10
Abstract: The ultrasonic velocities (U) and densities (ρ) have been measured for three surfactants, viz sodium lauryl sulphate, cetyl trimethyl ammonium bromide, and TritonX-100 with methyl orange in aqueous solutions in the absence and in the presence of lipase at different time intervals at 308K and at pH 5.5. The dye concentration has been maintained constant (5.0×10-6m) and the concentration of the surfactant maintained to critical micelle concentration. Acoustical parameters such as adiabatic compressibility, intermolecular free length and acoustic impedance have been computed. The ultrasonic studies reveal that lipase can enhance the detergent action of surfactant.
Page(s): 1431-1433
ISSN: 0975-0975(Online); 0376-4710(Print)
Appears in Collections: IJC-A Vol.43A(07) [July 2004]

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