Solid phase extraction of trace elements

V Camel - Spectrochimica Acta Part B: Atomic Spectroscopy, 2003 - Elsevier
Conclusion The use of SPE procedures has been growing in the past few years due to their
advantages offered for trace element determinations, namely conservation of species, good …

Calixarenes in analytical and separation chemistry

R Ludwig - Fresenius' journal of analytical chemistry, 2000 - Springer
Abstract Discovered in the 1940's,[1 n] metacyclophanes with the common name calix [n]
arenes which is derived from for the molecule's shape enjoyed a remarkable interest in …

Chelating resins and their applications in the analysis of trace metal ions

BS Garg, RK Sharma, N Bhojak, S Mittal - Microchemical Journal, 1999 - Elsevier
Simple, sensitive, and economical methods for the determination and solid phase extraction
of metal ions using chelating resins in the past 25 years have been surveyed. Chelates …

Solid phase extraction and determination of ultra trace amounts of mercury (II) using octadecyl silica membrane disks modified by hexathia-18-crown-6-tetraone and …

Y Yamini, N Alizadeh, M Shamsipur - Analytica Chimica Acta, 1997 - Elsevier
A simple method for rapid extraction and determination of ultra trace amounts of mercury (II)
ions using octadecyl-bonded silica membrane disks modified with hexathia-18-crown-6 …

Ionic liquid based dispersive liquid-liquid microextraction combined with ICP-OES for the determination of trace quantities of cobalt, copper, manganese, nickel and …

L Ranjbar, Y Yamini, A Saleh, S Seidi, M Faraji - Microchimica Acta, 2012 - Springer
We describe a method for ionic liquid based dispersive liquid-liquid microextraction of Co
(II), Cu (II), Mn (II), Ni (II) and Zn (II), followed by their determination via flow injection …

Improving extraction performance of d2ehpa for impurities removal from spent lithium-ion batteries leaching solution by TPC [4]

Y Li, L Zeng, J Du, G Zhang, Z Cao… - … Sustainable Chemistry & …, 2022 - ACS Publications
To reduce reagent consumption, wastewater discharge, and production cost of Mn2+
recovery and impurities (Zn2+/Cu2+/Ca2+) removal from an acid leaching solution of spent …

Dipyridyl amide-functionalized polymers prepared by ring-opening-metathesis polymerization (ROMP) for the selective extraction of mercury and palladium

F Sinner, MR Buchmeiser, R Tessadri… - Journal of the …, 1998 - ACS Publications
Ring-opening-metathesis polymerization (ROMP) was used for the preparation of a
dipyridylcarbamide-functionalized polymer suitable for solid-phase extraction of metal ions …

Chelating sorbents based on silica gel and their application in atomic spectrometry

M Zougagh, JM Cano Pavon… - Analytical and …, 2005 - Springer
This mini-review covers chelating sorbents anchored to silica gel and their analytical
applications for the preconcentration, separation and determination of trace metal ions …

[PDF][PDF] Important calixarene derivatives—their synthesis and applications

G McMahon, S O'Malley, K Nolan, D Diamond - Arkivoc, 2003 - arkat-usa.org
Since their discovery as by-products in the phenol-formaldehyde condensation to prepare
bakelites, the calixarenes have gained much attention for their application as both …

Thorium (IV) and uranium (VI) sorption studies on octacarboxymethyl-C-methylcalix [4] resorcinarene impregnated on a polymeric support

N Demirel, M Merdivan, N Pirinccioglu… - Analytica chimica acta, 2003 - Elsevier
The impregnation of octacarboxymethyl-C-methylcalix [4] resorcinarene into a polymeric
matrix, Amberlite XAD-4, is reported and was characterized by infrared spectroscopy. The …