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List of works by Amjad H El-Sheikh

A rapid and simple microwave-assisted digestion procedure for spectrophotometric determination of titanium dioxide photocatalyst on activated carbon.

scientific article

A simple and accurate analytical method for determination of three commercial dyes in different water systems using partial least squares regression.

scientific article published in January 2012

Bio-separation, speciation and determination of chromium in water using partially pyrolyzed olive pomace sorbent

scientific article published on 16 March 2011

Critical evaluation and comparison of enrichment efficiency of multi-walled carbon nanotubes, C18 silica and activated carbon towards some pesticides from environmental waters.

scientific article published on 15 September 2007

Derivatization of 2-chlorophenol with 4-amino-anti-pyrine: A novel method for improving the selectivity of molecularly imprinted solid phase extraction of 2-chlorophenol from water

scientific article published on October 23, 2010

Effect of dimensions of multi-walled carbon nanotubes on its enrichment efficiency of metal ions from environmental waters

scientific article published on 11 October 2007

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

scientific article published on 10 July 2007

Effect of oxidation of activated carbon on its enrichment efficiency of metal ions: comparison with oxidized and non-oxidized multi-walled carbon nanotubes.

scientific article

Improving the adsorption efficiency of phenolic compounds into olive wood biosorbents by pre-washing with organic solvents: Equilibrium, kinetic and thermodynamic aspects.

scientific article published on 31 January 2013

Multi-walled Carbon Nanotubes Reinforced into Hollow Fiber by Chitosan Sol-gel for Solid/Liquid Phase Microextraction of NSAIDs from Urine Prior to HPLC-DAD Analysis

scientific article published on 01 January 2019

Partially pyrolyzed olive pomace sorbent of high permeability for preconcentration of metals from environmental waters

scientific article published on 25 March 2009

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.

scientific article published on 13 May 2011

Separation and flame atomic absorption spectrometric determination of total chromium and chromium (III) in phosphate rock used for production of fertilizer.

scientific article

Simultaneous determination of furosemide and carbamazepine in biological matrices by solvent bar microextraction combined with high‐performance liquid chromatography–diode array detector and central composite design

scientific article published in 2022

Solid-phase extraction and simultaneous determination of trace amounts of sulphonated and azo sulphonated dyes using microemulsion-modified-zeolite and multivariate calibration.

scientific article published on 28 December 2007