Flow injection determination of cobalt after its sorption onto polyurethane foam loaded with 2-(2-thiazolylazo)-p-cresol (TAC)

Applications of Amberlite XAD based Chelating resins in Online Pre concentration of metal ions

“…The chelating resins can be used in flow injection system with various detection methods like FAAS, ICP-AES, spectrophotometry, chemiluminescence and ICP-MS etc [26].There are various chelating resins have recently been used such as polyurethane foam [27][28][29][30][31][32][33][34][35], cellulose, silica gel [36][37][38][39][40][41][42], alumina [43][44][45][46][47][48], chitosan [49][50][51], carbon active [52] and polymeric resins like Amberlite etc. Amberlite XAD resins widely used to develop several chelating materials for preconcentration procedures due to its good physical and chemical properties such as porosity, high surface area, durability and purity.…”

Cold-Induced Aggregation Microextraction: A Novel Sample Preparation Technique Based on Ionic Liquids for Preconcentration of Cobalt Prior to Its Determination by Fiber Optic-Linear Array Detection Spectrophotometry in Real Water Samples

“…Initial efforts to address the problem of large solvent consumption have led to a development of the FIE method. Some of these methods have been applied for cobalt extraction (Andac et al, 2001;Cao et al, 1999;Cassella et al, 2001;Dadfarnia & Jafarzadeh, 1999;Dzherayan et al, 2002;Fujimoto et al, 1999;Li et al, 2006a;Li et al, 2006b;Nogueira et al, 1998;Shabani et al, 2003;Song et al, 2006;Tsakovski et al, 2002). FIE has some advantages compared with LLE like low cost, high extraction speed and reduced solvent and sample consumption.…”

Co-Adsorption and Separate Elution of Uranium and Thorium from Acid Solution of Egyptian Monazite by Solvent Impregnated Foam

“…Consequently, we decided testing the impregnated long chain primary amine (CH3(CH2)11NH2 ) (dodecyl amine) [17] onto the polyurethane foam [18][19][20][21][22][23][24][25][26][27][28][29][30][31][32] for the co-adsorption of uranium and thorium from Egyptian monazite sulfate solution. The studied relevant factors affecting uranium and thorium sorption onto the solvent impregnated foam included contact time, initial uranium and thorium concentrations, solution pH and reaction temperature.…”