Ehsan Zolfonoun

Simultaneous spectrophotometric determination of trace amounts of uranium, thorium, and zirconium using the partial least squares method after their preconcentration by α-benzoin oxime modified Amberlite XAD-2000 resin

Jahan B. Ghasemi, Ehsan Zolfonoun · Talanta · 2009 · 94 citations

Environmental Chemistry, Chemical Engineering, Engineering +13

Separation of zirconium and hafnium by solvent extraction using mixture of TBP and Cyanex 923

Mohammad Taghi Taghizadeh, M. Ghanadi, Ehsan Zolfonoun · Journal of Nuclear Materials · 2011 · 72 citations

Solvent Extraction, Chemical Engineering, Engineering +9

The Influence of Growing Region on Fatty Acids and Sterol Composition of Iranian Olive Oils by Unsupervised Clustering Methods

Zahra Piravi‐Vanak, Jahan B. Ghasemi, Mehrdad Ghavami et al. · Journal of the American Oil Chemists Society · 2011 · 41 citations

Food Chemistry, Lipid Analysis, Fatty Acids +10

Solid-phase extraction and determination of ultra trace amounts of lead, mercury and cadmium in water samples using octadecyl silica membrane disks modified with 5,5′-dithiobis(2-nitrobenzoic acid) and atomic absorption spectrometry

Ehsan Zolfonoun, Ahmad Rouhollahi, Abolfazl Semnani · International Journal of Environmental & Analytical Chemistry · 2008 · 29 citations

Engineering, Solid-phase Extraction, Chemistry +16

Simultaneous spectrophotometric determination of trace amount of polycyclic aromatic hydrocarbons in water samples after magnetic solid-phase extraction by using projection pursuit regression

Jahan B. Ghasemi, Ehsan Zolfonoun · Environmental Monitoring and Assessment · 2012 · 27 citations

Solvent Extraction, Chemical Engineering, Environmental Chemistry +14