Browsing by Author "Ulusoy, Ulvi"
Now showing items 1-11 of 11
-
Adsorptive features of chitosan entrapped in polyacrylamide hydrogel for Pb2+, UO22+, and Th4+
Akkaya, Recep; Ulusoy, Ulvi (ELSEVIER SCIENCE BV, 2008)Chitosan (Ch) was entrapped in polyacrylamide (PAA) by direct polymerization of acrylamide in a suspension of Ch. The adsorptive features of PAA-Ch and Ch were then investigated for pb(2+), UO22+, and Th4+ in view of ... -
Adsorptive features of polyacrylamide-aluminosilicate composites for methylene blue
Baybas, Demet; Ulusoy, Ulvi (SCIENTIFIC TECHNICAL RESEARCH COUNCIL TURKEY-TUBITAK, 2016)Polyacrylamide-montmorillonite (PAAm-Mt) and polyacrylamide-clinoptilolite (PAAm-Z) composites were prepared by cross-linked polymerization of acrylamide in dispersions of Mt and Z. The composites were characterized by ... -
Adsorptive features of polyacrylamide-apatite composite for Pb2+, UO22+ and Th4+
Ulusoy, Ulvi; Akkaya, Recep (ELSEVIER SCIENCE BV, 2009)Micro-composite of polyacrylamide (PAA) and apatite (Apt) was prepared by direct polymerization of acrylamide in a suspension of Apt and characterized by means of FT-IR, XRD, SEM and BET analysis. The adsorptive features ... -
Adsorptive properties of sulfolignin-polyacrylamide graft copolymer for lead and uranium: Effect of hydroxilamine-hydrochloride treatment
Simsek, Selcuk; Ulusoy, Ulvi (ELSEVIER SCIENCE BV, 2013)Sulfolignin-polyacrylamide graft copolymer (PAAm-SL) was synthesized and its adsorptive features were compared with those of PAAm and PAAm-SL modified to their hydroxamic acid and amidoxime forms for Pb2+ and UO22+ ions. ... -
Polyacrylamide-clinoptilolite/Y-zeolite composites: Characterization and adsorptive features for terbium
Baybas, Demet; Ulusoy, Ulvi (ELSEVIER SCIENCE BV, 2011)The composites of natural (clinoptilolite) and synthetic zeolite (Z and YZ) with polyacrylamide (PAAm) were synthesized and characterized by FT-IR, TGA, XRD, SEM and PZC analysis. The adsorptive features of the minerals ... -
Polyacrylamide-hydroxyapatite composite: Preparation, characterization and adsorptive features for uranium and thorium
Baybas, Demet; Ulusoy, Ulvi (ACADEMIC PRESS INC ELSEVIER SCIENCE, 2012)The composite of synthetically produced hydroxyapatite (HAP) and polyacrylamide was prepared (PAAm-HAP) and characterized by BET, FT-IR, TGA, XRD, SEM and PZC analysis. The adsorptive features of HAP and PAAm-HAP were ... -
Sulfur and lead isotope investigations of the carbonate-hosted Pb-Zn deposits in the Yahyah region, Kayseri, southern Turkey
Koptagel, Osman; Ulusoy, Ulvi; Fallick, Anthony E. (SCIENTIFIC TECHNICAL RESEARCH COUNCIL TURKEY-TUBITAK, 2007)Carbonate-hosted Pb-Zn deposits are common in the Yahyali region (Taurus Belt) with galena the most abundant sulfide mineral. The mean delta S-34 values for Goynuk, Celaldagi Desandre, Demircilik, Tekke, Havadan and Sucati ... -
Thallium adsorption onto polyacryamide-aluminosilicate composites: A Tl isotope tracer study
Senol, Zeynep Mine; Ulusoy, Ulvi (ELSEVIER SCIENCE SA, 2010)Adsorptive features of the composites of polyacrylamide (PAAm) and bentonite (B), and zeolite (Z) were investigated for Tl+ and TP3+. Langmuir monolayer adsorption capacities for the corresponding ions were 1.85 and 0.97 ... -
Tl-208, Pb-212, Bi-212, Ra-226 and Ac-228 adsorption onto polyhydroxyethylmethacrylate-bentonite composite
Akkaya, Recep; Ulusoy, Ulvi (ELSEVIER SCIENCE BV, 2012)The adsorption of naturally occurring radionuclides (Tl-208(+), (212)pb(2+), Ra-226(2+), Bi-212(3+) and Ac-228(3+)) onto Polyhydroxyethylmethacrylate-bentonite (PHEMA-B) composite was investigated. Experimentally obtained ... -
Uranium and lead adsorption onto bentonite and zeolite modified with polyacrylamidoxime
Simsek, Selcuk; Ulusoy, Ulvi (SPRINGER, 2012)Polyacrylonitrile (PAN) and bentonite (B)/zeolite (Z)-PAN composites were prepared by direct polymerization of acrylonitrile (AN) and AN adsorbed onto B and Z. PAN and the composites were subjected to amidoximation procedure ... -
The use of polyacrylamide-aluminosilicate composites for thorium adsorption
Baybas, Demet; Ulusoy, Ulvi (ELSEVIER SCIENCE BV, 2011)The adsorption of Th4+ ions was studied on composites of polyacrylamide (PAAm) with montmorillonite (Mt), clinoptilolite (Z) and zeolite Y (ZY), and after phytic acid (Phy) modification. The monolayer adsorption capacity ...