[PDF] Top 20 Application of modified sawdust for solid phase extraction, preconcentration and determination of trace lead in water samples

Application of modified sawdust for solid phase extraction, preconcentration and determination of trace lead in water samples

... cadmium, lead, cobalt, copper, arsenic, zinc and Hg enter the environment through mineral production, industrial discharges, pollutions, and dissolution of agriculture lands ...[1‒3]. Lead has a wide range ... See full document

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Application of Sulfur Nanoparticles as a Solid Phase Extraction Sorbent for the Preconcentration of Lead(II) and Palladium(II) in Environmental Samples Prior to Flame Atomic Absorption Spectrometry Determination

... new application of SNPs as the sorbent for the determination of Pb and Pd was ...for lead and palladium preconcentration possessed several advantages such as simplicity, high ... See full document

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← Return to Article Details PRECONCENTRATION AND SEPARATION OF ULTRA-TRACE AMOUNTS OF MERCURY(II) USING ULTRASOUND-ASSISTED CLOUD POINT-MICRO SOLID PHASE EXTRACTION BASED ON MODIFIED SILICA AEROGEL WITH [1-(3,5-DICHOLOROPHENYL)-3(2-ETHOXYPHENYL)] TRIAZENE

... system, lead to renal function impairment, and result in chest pain and dyspnea ...drinking water [3]. Therefore, determination of mercury is of utmost importance, especially in the water ... See full document

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Preconcentration of Lead in Sugar Samples by Solid Phase Extraction and Its Determination by Flame Atomic Absorption Spectrometry

... A lead Hollow cathode lamp was used as the radiation source with wavelength set at ...as solid phase and a Rocker 600 (Todays, Taiwan) was also utilized in the ... See full document

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Flame Atomic Absorption Spectrometric Determination of Trace Amounts of Zinc and Thallium in Different Matrixes after Solid Phase Extraction on Modified Multiwalled Carbon Nanotubes

... the extraction step. Natural water samples contain commonly alkali, alkaline earth and some transi- tion element ...the determination of the analyte ...in water samples have no ... See full document

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Thiol modified Au nanoparticles grafted manganese doped magnetic iron oxide nanoparticles for spectrometric determination of short-term release of mercury and copper from dental amalgam in saliva

... Recently, modified magnetic nanoparticles (MNPs) had wide application in magnetic solid phase extraction (MSPE) and preconcentration of heavy metal ions in different matrices ... See full document

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Selective Preconcentration of Ultra Trace Amounts of Cobalt and Nickel on Octadecyl Bonded Silica Membrane Disk Modified with Thioridazine?Hcl and Determination by Inductively Coupled Plasma-Optical Emission Spectrometry

... for preconcentration and determination of ultra trace amounts of cobalt and nickel ions in water samples is ...The preconcentration is achieved using C 18 -silica ... See full document

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ON-LINE PRECONCENTRATION AND DETERMINATION OF LEAD IN WATER BY FLOW INJECTION- FLAME ATOMIC ABSORPTION SPECTROSCOPY USING AMBERLITE XAD-16 FUNCTIONALIZED WITH XYLENOL ORANGE

... new solid phase extractor in the online preconcentration and determination of Pb(II) in water sample using flow injection with flame atomic absorption spectrometry (FAAS) for ...online ... See full document

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Determination of Lead and Cadmium in Various Food Samples by Solid Phase Extraction Using a Novel Amino-Vinyl Functionalized Iron Oxide Magnetic Nanoparticles

... the determination of lead and cadmium in various ...direct determination of these metal ions in real samples with above techniques in most cases was very difficult because of matrix effect and ... See full document

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Determination of Pb and Cd Ions in Contaminated Water using FAAS after Preconcentration by Dithizone Modified Cellulose Acetate Polymeric Membranes

... in water samples due to some reasons like easy maintenance and relatively low cost of analysis ...direct determination of trace amounts of these ions in natural waters by FAAS is limited ... See full document

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Assessment of the trace Levels of Lead (II) Using Solid Phase Extraction and Flame Atomic Absorption Spectrometry

... of lead in some water samples collected in different regions of ...of lead ions were ...disks modified by ammonium pyrrolidine dithiocarbamate (APDC) ...the lead traces, ... See full document

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Solid Phase Extraction of Ultra Trace Copper(II) Using Octadecyl Silica Membrane Disks Modified By (E)-N?-((1-Thiophen-2-Yl)Ethylidene)Benzene-1,2-Diamine Schiff?S Base

... the solid phase extraction of trace amounts of Cu(II) in water samples using Octadecyl Silica membrane disks modified by (E)-N’-((1- ... See full document

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Pre-Concentration and Solid Phase Extraction of Trace Amounts of Co(II)-BPHA On Octadecyl Bonded Silica Membrane Disk and its Application to the Determination of Trace Cobalt

... (Tehran, taken after 10 min operation of the tap), rain water (Tehran, 26 January, 2006), and Sea water(taken from Caspian sea, near the Mahmoud- Abad shore) samples were analyzed). The results were ... See full document

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The Potential of EDTA - Modified Rice Husk Ash as Solid Phase Extraction Resin in Seawater

... Thus, determination of trace elements or metals in water, soil, plant and other things is becoming increasingly ...the determination of traces of heavy metal ...the determination of ... See full document

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Fe3O4/CNT Magnetic Nanocomposites as ‎Adsorbents to Remove Organophosphorus ‎Pesticides from Environmental Water

... environmental water is safe for consumer’s health or any current use, the maximum residue limit (MRL) should be ...including solid-phase extraction (SPE) [6-8], solid phase ... See full document

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A solid-phase extraction method using Transcarpathian clinoptilolite for preconcentration of trace amounts of terbium in water samples

... of trace amounts of rare earth elements [4, 5]. At the same time, the solid-phase extraction (SPE) has also become quite popular sample preparation procedure for trace analysis [5–9], ... See full document

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Solid Phase extraction for trace amount Cu (II) by C18 modified carbon Nano tube and cupferron ligand in waste water Sample and determination it by flame atomic adsorption.

... the preconcentration of Cu(II) based on the adsorption of its Schiff’s cupferron complex on a multi walled carbon nanotubes (MWCNTs) onto C 18 cartridge ...a solid phase extraction (SPE) ... See full document

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Linde Type a Zeolite and Type Y Faujasite as a Solid Phase for Lead, Cadmium, Nickel and Cobalt Preconcentration and Determination Using a Flow Injection System Coupled to Flame Atomic Absorption Spectrometry

... (Merck, Germany, 99.9% w/w) in a reflux system under temperature control. Amounts of 20 mg of the zeolites were used to pack the mini-columns. These were manu- factured in the laboratory using PTFE tubing (4 mm id. and ... See full document

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Application of Modified Nanoclay Sorbent for Separation and Preconcentration Trace Amount of Cobalt

... the solid phase extraction of metal ions [15], the influences of aqueous solution pH on the recovery of cobalt ions on modified nanoclay were ... See full document

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N-octyl-modified magnetite NPs for optimization of solid phase extraction for trace analysis of phenytoin in real samples

... The amount of adsorbent used is one of the important factors to be optimized since it determines the capacity of adsorption of the drug, therefore the concentration of the final analyte to be injected to HPLC-Uv for ... See full document

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