For this purpose, the PP-g-PAA fabric was immersed in 0.1 M NiCl2 solution for 12 h. After filtration, washing with distilled water, and drying at ambient temperature, the resulting PP-g-PAA (Ni) fabric was added to 2.5% solution of potassium hexacyanoferrate(II) for 24 h under gentle mixing. Finally, the KNiHCF-loaded PP fabric was separated by filtration, washed with deionized water until clear rinsing solution, and dried at 60°C for 24 h. Characterization of the KNiHCF-loaded polypropylene fabric The surface morphology of the original
PP and KNiHCF-loaded PP fabrics was recorded by a Hitachi S-4100 field emission scanning electron microscope (SEM; Hitachi, Ltd., Tokyo, Japan) at an acceleration
voltage Captisol mw of 15 keV. The elemental composition was performed by energy-dispersive X-ray spectroscopy (EDS). The studied samples were sputter-coated with a thin Pt layer prior to examination. Fourier transform infrared (FT-IR) measurements were carried out using a Spectrum™ 100 FT-IR spectrometer (PerkinElmer, Waltham, MA, USA) with attenuated total reflectance (ATR) mode. Spectra were collected by cumulating 24 scans. X-ray diffraction studies were carried out on a DRON-3 diffractometer (Scientific Industrial Enterprise “Burevestnik”, St. Metalloexopeptidase Petersburg, Russia) using Cu-Kα radiation in the range 10° to 90°
in 2θ at room temperature. Adsorption experiments A cesium Selleckchem Doramapimod chlorite stock solution of 1,000 mg/l was diluted, as required, to obtain the desired concentration. The pH of the solution was adjusted by using dilute solutions of hydrochloric acid, or sodium hydroxide, depending on the requirement. Adsorption experiments were carried out in batch mode under shaking by placing a dry nanocomposite fabric (0.1 g) in a series of polypropylene flasks with 20 ml of CsCl solution. Once the required time elapsed, the residual solution was filtered through a Whatman filter paper and analyzed for Cs KPT-330 clinical trial concentration by the atomic absorption spectrophotometer model AA-8500 (Nippon Jarrell-Ash Co., Ltd., Kyoto, Japan). The amount of Cs adsorbed by the synthesized nanocomposite adsorbent at time t, Q t (mg/g), was calculated as follows: where C 0 and C t are the initial concentration and concentration of Cs at time t (mg/l) in the experimental solution, V is the volume of the solution (l), and W is the weight of the adsorbent (g). At the equilibrium time, Q t = Q e . Adsorption efficiency α (%) at equilibrium was calculated as follows: where C e is the cesium concentration at equilibrium. All the experiments were performed in duplicate.