title: Synthesis and characterization of new nano-particles as blue ceramic pigment.
abstract: The synthesis of a new nano-blue ceramic pigment CoxMg1-xAl2O4 (0 < or = x < or = 0.1) using the combination between co-precipitation and combustion synthesis (CS) method. The structure of pigments is assigned based on thermogravimetric and differential thermogravimetric analysis (TG-DTGA), X-ray diffractions (XRD), and UV-vis spectroscopy. Also, diffuse reflectance spectroscopy (DRS) using CIE L*a*b* parameter measurement method, infrared spectroscopy (IR) and transmission electron microscopy (TEM) is used. The result revealed that the nano-size particle pigment was obtained in range 24-35 nm by using 3-methyl-pyrozole-5-one (3MP5O) as a fuel at 400 degrees C in open furnace. Also, results show the varying colors and particles' size as a result of different calcination temperatures from 500 to 1200 degrees C for 2h.
authors.affiliation: Chemistry Department, Faculty of Science, Benha University, Benha City, Egypt. isahmed61@yahoo.com
authors.forename: I S
authors.initials: IS
authors.lastname: Ahmed
authors.forename: H A
authors.initials: HA
authors.lastname: Dessouki
authors.forename: A A
authors.initials: AA
authors.lastname: Ali
mesh_terms: D002151:Calorimetry; D002516:Ceramics / Q000737:chemistry*; D003116:Color; D004058:Diffusion; D046529:Microscopy, Electron, Transmission; D053758:Nanoparticles / Q000737:chemistry* / Q000648:ultrastructure; D010858:Pigmentation; D013053:Spectrophotometry; D013696:Temperature; D014961:X-Ray Diffraction