Ongoing Research
 

 

MOST RECENT PUBLICATIONS:

 

1.       J. A. Sweileh, K.Y. Misef, A. H. El-Sheikh and M. S. Sunjuk “Development of a new method for determination of aluminum (Al) in Jordanian foods and drinks: Solid phase extraction and adsorption of Al3+-D-mannitol on carbon nanotubes” J.  Food Comp.  Anal., 33  6–13 (2014).

 

2.       A.H. El-Sheikh, Y. S. Al-Degs, J. A. Sweileh,.A. J. Said  “Separation and flame atomic absorption spectrometric determination of total chromium and chromium (III) in phosphate rock used for production of fertilizer” Talanta , 116, 482-487 (2013).

 

3.      Y. S. Al-Degs and J. A. Sweileh “Simultaneous determination of five commercial cationic dyes in stream waters using diatomite solid-phase extractantand multivariate calibration

Arabian J. Chem. 5(2), 219-224 (2012).

 

4.       A, H. El-Sheikh, Y. S. Al-Degs, J. A. Sweileh,.A. J. Said  “Separation and flame atomic absorption spectrometric determination of total chromium and chromium (III) in phosphate rock used for production of fertilizer” Talanta , 116 (2013) 482-487.

 

5.       A. H. El-Sheikh and J. A. Sweileh, “Recent Applications of Carbon Nanotubes in Solid Phase Extraction and Preconcentration: A Review” Jordan J. Chem.  6 (1) 1-16 (2011)

 

5, A   H. El-Sheikh, M. K. Al-Jafari, J.A. Sweileh “Solid phase extraction and uptake properties of multi-walled carbon nanotubes of different dimensions towards some nitro-phenols and chloro-phenols from water” Intern. J. Environ. Anal. Chem. ( 92(2), 190-209 (2012)

 

  1. A. H. El-Sheikh , M. M. Abu Hilal, and J. A. Sweileh “Bio-separation, speciation and    determination of chromium in water using partially pyrolyzed olive pomace sorbent” Bioresource Technology 102,  5749–5756 (2011)

 

   7. A. H. El-Sheikh, A. M. Alzawahreh, J. A. Sweileh, Preparation of an efficient sorbent   by washing then pyrolysis of olive wood for simultaneous solid phase extraction of chloro-phenols and nitro-phenols from water, Talanta, 85, 1034– 1042 (2011)

 

8. A. H. El-Sheikh, A. M. Alzawahreh, J. A. Sweileh, Preparation of an efficient sorbent by washing then pyrolysis of olive wood for simultaneous solid phase extraction of chloro-phenols and nitro-phenols from water, Talanta, 85, 1034– 1042 (2011)

 

9. A. H. El-Sheikh, Y. S. Al-Degs, R. M. Al-As'ad, J. A. Sweileh,  Effect of oxidation and geometrical dimensions of carbon nanotubes on Hg(II) sorption and preconcentration from real waters, Desalination, 270, 214–220 (2011)

 

10. A. H. El-Sheikh, M. M. Abu Hilal, J. A. Sweileh, Bio-separation, speciation and determination of chromium in water using partially pyrolyzed olive pomace sorbent, Bioresource Technology, 102, 5749–5756 (2011)

 

11. A. H. El-Sheikh, Y. S. Al-Degs,  Randa M. Al-As'ad,  J. A. Sweileh , Effect of dimensions and oxidation of multi-walled carbon nanotubes on its preconcentration performance and equilibrium uptake of mercury from water , Desalination, 270, 214 - 220 (2010).

 

12. Y. S. Al-Degs, J. A. Sweileh,  Simultaneous determination of five commercial cationic dyes in stream waters using diatomite solid-phase extractant and multivariate calibration, Arabian J. Chem. In press (2010)

 

13.  H. El-Sheikh , J. A. Sweileh, Y. S. Al-Degs, Maysoon Saleh, Partially- pyrolyzed olive pomace sorbent of high permeability for preconcentration of metals from environmental waters, J. Hazardous Materials, 169, 58 – 64, (2009).

 

14. A. H. El-Sheikh, J A. Sweileh, Sorption of Trace Metals on Fish Scales and Application for Lead and Cadmium Pre-concentration with Flame Atomic Absorption Determination, Jordan J. Chem. 3(1) 87 -97, 2008.

 

15. H. El-Sheikh , J. A. Sweileh, Y. S. Al-Degs, A. A. Insisi, N. Al-Rabady, Critical evaluation and comparison of enrichment efficiency of multi-walled carbon nanotubes, C18 silica and activated carbon towards some pesticides from environmental waters, Talanta, 74, 1675 – 1680 (2008)

 

16. J. A.  Sweileh , On-line flow injection solid sample introduction, leaching and potentiometric determination of fluoride in phosphate rock, Anal Chim. Acta, 581, 168 – 173 (2007)

 

17. A. H. El-Sheikh, J. A. Sweileh, Yahya S. Al-Degs, Effect of dimensions of multi-walled carbon nanotubes on its enrichment efficiency of metal ions from environmental waters, Anal. Chim. Acta, 604, 119 – 126 (2007)

 

18. A H. El-Sheikh, A A. Insisi and J. A. Sweileh, Effect of oxidation and dimensions of multi-walled carbon nanotubes on solid phase extraction and enrichment of some pesticides from environmental waters prior to their simultaneous determination by high performance liquid chromatography, J. Chromatogr. A, 1164, 25 – 32 (2007)

 

19. A.H. El-Sheikh and J.A. Sweileh, A Rapid and Simple Micowave-Assisted Digestion Procedure for Spectrophotometric Determination of Titanium Oxide Photocatalyst on Activated Charcoal, Talanta, 71, 1867 - 1872 (2007).

 

20. J. A. Sweileh and E. M. Elnemma, On-line Elimination of Spectral Interference of Iron Matrix in the Flame Atomic Absorption Determination of Zinc by Anion-Exchange Separation, Anal. Chim. Acta, 523, 287 – 292 (2004).