Spectrophotometric study of the Sodium dodecyl sulfate in the presence of Methylene blue in the methanol-water mixed solvent system

2021 ◽  
pp. 117200
Author(s):  
Pawan Shah ◽  
Shikha Kumari Jha ◽  
Ajaya Bhattarai
Keyword(s):  
Methylene Blue ◽  
Sodium Dodecyl Sulfate ◽  
Mixed Solvent ◽  
Sodium Dodecyl ◽  
Spectrophotometric Study ◽  
Solvent System ◽  
Mixed Solvent System ◽  
Dodecyl Sulfate

scholarly journals Physicochemical Studies on the Interaction between Sodium Dodecyl Sulfate and Methylene Blue in Methanol-Water Mixed Solvent Media

2020 ◽  
Vol 2020 ◽  
pp. 1-13
Author(s):  
Pawan Shah ◽  
Nilam Jha ◽  
Ajaya Bhattarai
Keyword(s):  
Methylene Blue ◽  
Free Energy ◽  
Sodium Dodecyl Sulfate ◽  
Mixed Solvent ◽  
Volume Fraction ◽  
Sodium Dodecyl ◽  
Standard Free Energy ◽  
Solvent System ◽  
Volume Fractions ◽  
Dodecyl Sulfate

The surface activity and the process of micellization of sodium dodecyl sulfate (SDS) with methylene blue (MB) in a methanol-water mixed solvent system were investigated by tensiometry and conductometry at 298.15 K. The measurements of surface tension and conductivity of SDS-MB complex were carried up to 0.3 volume fractions of methanol because the resulting complex appeared turbid above 0.3 volume fractions of methanol. The critical micelle concentration (CMC) of the SDS was determined from both tensiometry and conductometry. The CMC of SDS increased with the increasing volume fraction of methanol due to the inclusion of methanol in the micelles and decreased in the presence of methylene blue due to the reduction of electrostatic repulsion within the anionic moiety of SDS by the positive charge of the added dye. Different properties like surface excess concentration Γ max , minimum surface area A min , Gibbs free energy of micellization Δ G m o , surface pressure ( π CMC ), efficiency of a surfactant ( p C 20 ), packing parameter P , and standard free energy interfacial adsorption Δ G ads o of SDS in the absence/presence of MB were calculated. On the basis of Δ G m o values, it was noticed that the increasing volume fraction of methanol disfavors the micellization of SDS, while the presence of MB increased the efficiency of SDS making the micellization process more spontaneous.

Influence of sodium dodecyl sulfate coating on adsorption of methylene blue by biochar from aqueous solution

2018 ◽  
Vol 70 ◽  
pp. 166-174 ◽  
Author(s):  
Wei Que ◽  
Luhua Jiang ◽  
Chen Wang ◽  
Yunguo Liu ◽  
Zhiwei Zeng ◽  
...  
Keyword(s):  
Aqueous Solution ◽  
Methylene Blue ◽  
Sodium Dodecyl Sulfate ◽  
Sodium Dodecyl ◽  
Dodecyl Sulfate

Interactions between Methylene Blue and Sodium Dodecyl Sulfate in Aqueous Solution Studied by Molecular Spectroscopy

1999 ◽  
Vol 53 (7) ◽  
pp. 780-784 ◽  
Author(s):  
Mary K. Carroll ◽  
Marc A. Unger ◽  
Andrew M. Leach ◽  
Melissa J. Morris ◽  
Christine M. Ingersoll ◽  
...  
Keyword(s):  
Aqueous Solution ◽  
Methylene Blue ◽  
Sodium Dodecyl Sulfate ◽  
Molecular Spectroscopy ◽  
Sodium Dodecyl ◽  
Dodecyl Sulfate

Solvothermal Synthesis of Mesoporous TiO2 Using Sodium Dodecyl Sulfate for Photocatalytic Degradation of Methylene Blue

2020 ◽  
Vol 63 (11-14) ◽  
pp. 1121-1130
Author(s):  
Chao-Wei Huang ◽  
Wei-Cheng Sin ◽  
Van-Huy Nguyen ◽  
Yu-Chung Wu ◽  
Wei-Yu Chen ◽  
...  
Keyword(s):  
Methylene Blue ◽  
Sodium Dodecyl Sulfate ◽  
Photocatalytic Degradation ◽  
Solvothermal Synthesis ◽  
Sodium Dodecyl ◽  
Mesoporous Tio2 ◽  
Dodecyl Sulfate
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