In hair beauty treatments such as permanent waving and hair coloring, and in daily treatments using shampoo and hair conditioner, most of the hair care products are used under wet conditions. Therefore, it is important to understand how water-soluble products penetrate into hair. The structural information of hair in aqueous solutions seems essential for understanding the penetration mechanism....

A simple, rapid and economic procedure was presented to remove lead(II) from aqueous solution under the optimized conditions. It is based on the sorption of Pb2+ ions from aqueous solutions onto limestone fines (LS), which is an inexpensive and widespread over the globe, followed by flotation with oleic acid (HOL) surfactant. The different parameters (namely: solution pH, sorbent...

in this work, reactive absorption of gases in aqueous electrolyte solutions has been investigated resulting in the development of a procedure in order to calculate the concentrations of ionic and molecular species in the liquid phase. two duplicate experiments were conducted to investigate simultaneous reactive absorption of ammonia and carbon dioxide in partially carbonated ammonia solutions. ...

background pyrocatechol or 1, 2-dihydroxybenzene, or 2-hydroxyphenol is considered as apriority pollutant since it is harmful to organisms at low concentrations, and has been classified as hazardous pollutants. objectives the objective of this study was to examine whether azolla filiculoides, is able to remove pyrocatechol from aqueous solutions. materials and methods this study is an experimen...

in this paper electrical conductivity measurements and optical investigations takes place in aot/ heptane/ (water or aqueous) systems. the water in oil system prepared with adding water in 50% by weight of aot/ heptane solution.  in other systems instead of water, aqueous solutions of 1) zinc acetate and water 2) potassium hydroxide and water were used. in each phase, the trend of the electrica...