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Sorption Studies of AgI, CdII and PbII Ions on Sulphydryl Hemp Fibers

Lavinia Tofan ; »Gh. Asachi« Technical University, Department of Analytical Chemistry, D. Mangeron Street 71, 6600 Jassy, Romania
Carmen Paduraru ; »Gh. Asachi« Technical University, Department of Analytical Chemistry, D. Mangeron Street 71, 6600 Jassy, Romania

Puni tekst: engleski, pdf (216 KB) str. 581-586 preuzimanja: 250* citiraj
APA 6th Edition
Tofan, L. i Paduraru, C. (2004). Sorption Studies of AgI, CdII and PbII Ions on Sulphydryl Hemp Fibers. Croatica Chemica Acta, 77 (4), 581-586. Preuzeto s https://hrcak.srce.hr/102981
MLA 8th Edition
Tofan, Lavinia i Carmen Paduraru. "Sorption Studies of AgI, CdII and PbII Ions on Sulphydryl Hemp Fibers." Croatica Chemica Acta, vol. 77, br. 4, 2004, str. 581-586. https://hrcak.srce.hr/102981. Citirano 21.09.2020.
Chicago 17th Edition
Tofan, Lavinia i Carmen Paduraru. "Sorption Studies of AgI, CdII and PbII Ions on Sulphydryl Hemp Fibers." Croatica Chemica Acta 77, br. 4 (2004): 581-586. https://hrcak.srce.hr/102981
Harvard
Tofan, L., i Paduraru, C. (2004). 'Sorption Studies of AgI, CdII and PbII Ions on Sulphydryl Hemp Fibers', Croatica Chemica Acta, 77(4), str. 581-586. Preuzeto s: https://hrcak.srce.hr/102981 (Datum pristupa: 21.09.2020.)
Vancouver
Tofan L, Paduraru C. Sorption Studies of AgI, CdII and PbII Ions on Sulphydryl Hemp Fibers. Croatica Chemica Acta [Internet]. 2004 [pristupljeno 21.09.2020.];77(4):581-586. Dostupno na: https://hrcak.srce.hr/102981
IEEE
L. Tofan i C. Paduraru, "Sorption Studies of AgI, CdII and PbII Ions on Sulphydryl Hemp Fibers", Croatica Chemica Acta, vol.77, br. 4, str. 581-586, 2004. [Online]. Dostupno na: https://hrcak.srce.hr/102981. [Citirano: 21.09.2020.]

Sažetak
Results of a systematic study on the AgI, CdII and PbII ions sorption characteristics and kinetic properties of an unconventional material produced by introducing sulphydryl functional groups into natural hemp fibers are presented and discussed. The equilibrium data are analyzed using the Langmuir and Freundlich isotherm models. The monolayer sorption capacity of modified hemp is 10.75, 14.05 and 23.00 mg g-1 for silver, cadmium and lead ions, respectively, at 18 °C. The constant of sorption rates calculated by the Lagergren equation is 5.806 × 10-2 min-1 for AgI, 1.632 × 10-2 min-1 for CdII and 4.078 × 10-2 min-1 for PbII ions. The systems under study offer some new attractive possibilities of selective sorption of various pollutants from aqueous effluents.

Ključne riječi
sorption; hemp; cations; retention; sulphydryl groups

Hrčak ID: 102981

URI
https://hrcak.srce.hr/102981

Posjeta: 386 *