Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Reyhaneh Rahnama Kozani"'
Publikováno v:
E-Journal of Chemistry, Vol 6, Iss 4, Pp 1077-1084 (2009)
A simple and effective homogeneous liquid-liquid extraction method for selective separation, preconcentration and spectrophotometric determination of palladium(II) ion was developed by using a ternary component system (water / tetrabutylammonium ion
Externí odkaz:
https://doaj.org/article/fb1e01e720c740b18b43df2410347c51
Publikováno v:
E-Journal of Chemistry, Vol 6, Iss 4, Pp 1267-1273 (2009)
A simple, sensitive, rapid and reliable method has been developed for spectrophotometric determination of iodide based on its inhibition effect on the redox reaction between bromate and hydrochloric acid. The decolorization of methyl orange by the re
Externí odkaz:
https://doaj.org/article/b9f7570819ca4fb1b9c83b403458421c
Publikováno v:
Journal of Chemistry, Vol 2013 (2013)
A simple, rapid, and powerful microextraction technique was used for determination of palladium (II) ion in water samples using dispersive liquid-liquid microextraction (DLLME) followed by graphite furnace atomic absorption spectrometry (GF AAS). The
Externí odkaz:
https://doaj.org/article/95e7e6bb15304f79837aedc05c3a88e7
Publikováno v:
E-Journal of Chemistry, Vol 6, Iss 4, Pp 1077-1084 (2009)
A simple and effective homogeneous liquid-liquid extraction method for selective separation, preconcentration and spectrophotometric determination of palladium(II) ion was developed by using a ternary component system (water / tetrabutylammonium ion
Autor:
Mohammad Reza Jamali, Yaghoub Assadi, Reyhaneh Rahnama Kozani, Mohammad Reza Milani Hosseini, Farzaneh Shemirani
Publikováno v:
Talanta. 72:387-393
In this study, a simple, rapid and efficient method, dispersive liquid-liquid microextraction (DLLME) combined gas chromatography-electron capture detection (GC-ECD), for the determination of chlorobenzenes (CBs) in water samples, has been described.
Autor:
Farzaneh Shemirani, Reyhaneh Rahnama Kozani, Mohammad Reza Jamali, Yaghoub Assadi, Mohammad-Reza Milani Hosseini
Publikováno v:
International Journal of Environmental Analytical Chemistry. 86:1105-1112
The possibility of using Thio-Michler's Ketone (TMK), 4,4′-bis(dimethylamino) thiobenzophenone, for palladium(II) concentrated by micellar extraction at the cloud-point temperature, and later spectrophotometric determination, was investigated. Unde
Autor:
Mohammad Reza Milani Hosseini, Farzaneh Shemirani, Mohammad Reza Jamali, Yaghoub Assadi, Reyhaneh Rahnama Kozani, Masoud Salavati-Niasari, Majid Masteri-Farahani
Publikováno v:
Analytica Chimica Acta. 579:68-73
A new functionalized mesoporous silica (MCM-41) using salicylaldehyde was utilized for the separation, preconcentration and determination of uranium in natural water by inductively coupled plasma atomic emission spectrometry (ICP-AES). Experimental c
Publikováno v:
Separation Science and Technology. 41:3065-3077
In this work, a new cloud point extraction (CPE) method was developed for the separation and preconcentration of copper and nickel. The analyte was complexed with 3‐[(8‐{[(E)‐2‐hydroxyimino‐1‐methylpropylidene] amino}‐1‐naphthyl) imin
Publikováno v:
Journal of Analytical Chemistry. 61:124-128
A simple and useful method employing cloud point extraction is proposed for the preconcentration and separation of silver in water samples. The silver cation reacts with bis(2-mercaptoanil) acetylacetone (BMAA) at pH 6. The resulting compound is subs
Autor:
Farzaneh Shemirani, Seyyed Mohammad Reza Milani, Reyhaneh Rahnama Kozani, Yaghoub Assadi, Mohammad Reza Jamali
Publikováno v:
Separation Science and Technology. 40:2527-2537
The possibility of using Dibenzoylmethane (DBM) for uranium(VI) concentrating by the way of micellar extraction at cloud point temperature and later spectrophotometric determination was investigated. Under the optimum conditions, preconcentration of