List of Articles Solid phase extraction Open Access Article Abstract Page Full-Text 1 - Extraction sorbent with nanographene with aminopropyltriethoxysilane for the preconcentration (APTES) on surfactant coated C18 of Cd(II) in water Open Access Article Abstract Page Full-Text 2 - Preparation of Sodium Dodecyl Sulfate Modified Pyrrolidine-1-dithiocarboxylic acid Ammonium Coated Magnetite Nanoparticles for Magnetic Solid Phase Extraction of Pb(II) from Water Samples Open Access Article Abstract Page Full-Text 3 - Preconcentration and Determination of Chromium (III) from Sea Water Samples Using Ion Imprinted Activated Carbon Open Access Article Abstract Page Full-Text 4 - Fabrication method of extracting Cadmium(II) and Lead(II) in water samples using Nano Graphene modified 2-propyl-piperidine-1-carbodithioate Open Access Article Abstract Page Full-Text 5 - Dispersive Solid Phase Extraction of trace Pb(II) in water samples by New Fabricated Multi walled carbon nanotubes carboxylate