Concentration of cadmium, copper and zinc using water soluble polyacrylic acid polymer

Recovery of nickel from aqueous samples with water-soluble carboxyl methyl cellulose–acetone system

“…This means that nickel is quantitatively recovered with high precision and the kinetics of the complex reaction is fast. The similar results were reported in other water-soluble 2+ 14.8 [33] polymer-acetone systems for the pre-concentration and separation of metals [19][20][21][22][23].…”

“…The water-soluble polymer-acetone system had been applied successfully in some research works due to its rapid phase separation and high enrichment capacity. For example, Bakırcıoglu et al [19] described the use of polyacrylic acid for the determination of Cu 2+ , Cd 2+ and Zn 2+ . Özcan et al [20] investigated the use of polyacrylamide containing R-(+)-cystein end groups for the determination of Cu 2+ , Pb 2+ and Cr 3+ .…”

RETRACTED: Cloud point extraction of palladium in water samples and alloy mixtures using new synthesized reagent with flame atomic absorption spectrometry (FAAS)

“…The cloud point phenomenon is reversible and when the temperature is falls bellow the CPT a single phase appear again. Several Preconcentration methods and separation techniques such as liquid-liquid extraction [16], co-precipitation [17], ion-exchange [18,19], sorption on the various adsorbents such as activated carbon [20], silica [21,22], polymeric resin [23][24][25][26], activated columns [27], Amberlite XAD resins [28] and other sorbents [29][30][31], cloud point extraction is a facile, rapid and versatile technique employed for preconcentration and analysis of pesticides, polychlorides and phenols [32,33]. The analytical application of the cloud point phenomenon extend the extraction of toxic organic compound, medical drugs, vitamins and oils to the extraction of metal chelates, with several detection techniques.…”

Determination of Lead in Water Samples by GFAAS after Collection on Montmorillonite with Slurry Introduction

“…In a few studies, in order to eliminate the elution step and its risks, analyte elements were co-precipitated with a gathering precipitate or collected on a sorbent and determined after slurry sampling of the sorbent. [9][10][11][12][13][14][15][16] The slurry sampling analysis of the sorbent loaded with the analyte is fast, environmentally-friendly and the risks of error and low precision due to incomplete and irreproducible elution efficiency are eliminated. On the other hand, the most important critical parameter of this method is to suspend the solid phase (the sorbent) particles homogeneously and to maintain its stabilization during the entire analysis.…”