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Questions related from Allouche Sidali
hello i have synthesized titanium dioxide with sol gel process and before we test it we should carry out adsorption test ......and the polutant model is rhodamine 6g with inicial concentration of...
02 May 2018 475 4 View
hello i have synthesized titanium dioxide via sol gel process with tetraisopropoxide as precursor and acetic acid and water.....etc the sol is formed and it is heated to form a gel.... then a gel...
22 April 2018 7,285 4 View
hello every body i have synthesized titanium dioxide and titanium dioxide doped with gadolinium via Sol gel method. in DRX analysis for both catalysts i have anatase phase for Gd-TiO2 and TiO2...
10 March 2018 9,632 6 View
Hello In synthesis of titanium dioxide by Sol gel I use 10 ml of titanium tetra isopropoxide to get 2g of TiO2 in oxide form. But I can recuperate only 0.72g of catalyst in the oxide form. How I...
18 November 2017 2,863 5 View
salam during photocatalytic tests of titanium dioxide with rhodamine6G (20ppm, 50mL) with 0.05g of catalysts. The solution is left in dark for 30min and the first sample is taken. And then the...
14 March 2017 1,623 7 View
hello during my test of adsorption i put 0.05g of TiO2 in 50ml of 20ppm of R6G. every 10 minutes i take simple to mesure it's concentration by UV-VIS spectroscopie. i do the same in...
05 March 2017 6,890 3 View
hello i have synthesized titanium dioxide by sol gel route and i try to test it for photocatalyitc reaction with Rhodamine6G. i take 0.05g of catalyst in 50mL of R6G with concentration of...
27 February 2017 7,026 18 View
Hello Why we use alcohol solvents in synthesis of metal oxides like TiO2, ZnO2 ......etc I think we can synthesis titanium dioxide via Sol gel without using alcohol solvents? But does this photo...
23 January 2017 2,267 2 View
Hello I have synthesized titanium dioxide via Sol gel after drying I should calcine this catalyst at 400 C to activate him. I calcine the catalyst at 400C directly or by heating step by step I...
23 January 2017 9,553 1 View
Dear All Please, What is the cause of pale yellow color of TiO2 prepared by sol gel ? I prepared it as following: 10 ml Titanium isopropoxide + 8 ml of EtOh and add this solution to solution B...
10 January 2017 3,025 6 View
hello i have some rare earth oxide and i want prepare rare earth nitrate solution for doping semi-conductor. Can somebody tell me how we do this? thanks
06 January 2017 7,277 15 View
Salam I want to dope titanium with rare earth metals via Sol gel process in acidic conditions Firstly I dissolve TTIP in absolute ethanol under stirring four one hour then this solution is added...
24 December 2016 9,300 8 View
hello during synthesis de titanium dioxide via Sol gel using this molar ratios TTIP: EtOH: water: HCl 1: 4: 10: 0.5 respectively for this i prepared solution 1 that content TTIP dissolved in...
11 December 2016 6,069 1 View
hello i start synthesis of TiO2 via hydrolysis of TTIP via sol gel method firstly i add ethanol 96% to TTIP (solution 1) under stirring and i add second solution (H2O+HCl) to the first to obtain...
27 November 2016 2,233 3 View
hello i have obtained a gel of my experience of sythesis titanium dioxide the gel is drying at 80°C for 3 hours and an Xérogel was obtained how time i need to do calcination of these Xerogel?
27 November 2016 8,340 5 View
hello i hope synthesis TiO2 nanoparticles for photocatalysis of pollutants via Sol-Gel route by hydrolysis of titaniumtetraisopropoxide (TTIP) and other product. i use this molar ratio (TTIP:...
23 November 2016 4,264 6 View
