Nader Shokoufi
Chemistry and Chemical Engineering Research Center of Iran, P.O. Box 14335-186 Tehran, I.R. IRAN
[ 1 ] - Micelle Mediated Preconcentration of Mercury in pH Controlled Mode for Trace Analysis
A micell-mediated phase separation method for preconcentration of ultra-trace quantities of mercury as a prior step to its determination by UV-Vis spectrophotometry has been developed. The method is based on Hg(II)-dithizone complex formation in alkaline aqueous solution, and extraction of this Hg(II)-dithizone secondary complex into the surfactant-rich phase of the non-ionic surfactant oct...
[ 2 ] - Development of a Hyphenated Method Called DLLME/TLM for Trace Analysis of Cd
Dispersive Liquid-Liquid Microextraction / Thermal Lens Microscopy (DLLME/TLM) was developed as a new combination method for preconcentration and determination of Cd. Thermal Lens Microscopy is suitable for the determination of analyte after DLLME because of the low volume of the remained phase after DLLME and increasing of the enhancement factor for the nonpolar organic solvents. Some effe...
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