A review of global outlook on fluoride contamination in groundwater with prominence on the Pakistan current situation

A Rasool, A Farooqi, T Xiao, W Ali, S Noor… - … geochemistry and health, 2018 - Springer
Several million people are exposed to fluoride (F−) via drinking water in the world. Current
review emphasized the elevated level of fluoride concentrations in the groundwater and …

A comprehensive review on current status, mechanism, and possible sources of arsenic contamination in groundwater: a global perspective with prominence of …

W Ali, A Rasool, M Junaid, H Zhang - Environmental geochemistry and …, 2019 - Springer
Arsenic (As)-mediated contamination of groundwater resources in different parts of the world
is a consequence of natural or anthropogenic sources, leading to adverse effects on the …

Cloud point extraction as a procedure of separation and pre‐concentration for metal determination using spectroanalytical techniques: a review

MA Bezerra, MAZ Arruda… - Applied Spectroscopy …, 2005 - Taylor & Francis
Cloud point extraction is a separation and preconcentration procedure that has been
extensively applied for trace metal determination in several different matrices. Its major …

Simultaneous preconcentration of copper, zinc, cadmium, and nickel in water samples by cloud point extraction using 4-(2-pyridylazo)-resorcinol and their …

EL Silva, P dos Santos Roldan, MF Giné - Journal of Hazardous Materials, 2009 - Elsevier
A procedure for simultaneous separation/preconcentration of copper, zinc, cadmium, and
nickel in water samples, based on cloud point extraction (CPE) as a prior step to their …

Simultaneous speciation analysis of inorganic arsenic, chromium and selenium in environmental waters by 3-(2-aminoethylamino) propyltrimethoxysilane modified …

H Peng, N Zhang, M He, B Chen, B Hu - Talanta, 2015 - Elsevier
Speciation analysis of inorganic arsenic, chromium and selenium in environmental waters is
of great significance for the monitoring of environmental pollution. In this work, 3-(2 …

Separation and preconcentration by a cloud point extraction procedure for determination of metals: an overview

CB Ojeda, FS Rojas - Analytical and Bioanalytical Chemistry, 2009 - Springer
Recently, cloud point extraction (CPE) has been an attractive subject as an alternative to
liquid–liquid extraction. The technique is based on the property of most non-ionic surfactants …

Cloud point extraction: A sustainable method of elemental preconcentration and speciation

P Samaddar, K Sen - Journal of Industrial and Engineering Chemistry, 2014 - Elsevier
Trace elements are gaining increasing attention of scientists working in various analytical
fields. Presence or absence of a trace element in a system seriously modifies its intrinsic …

[图书][B] Instrumental methods in metal ion speciation

I Ali, HY Aboul-Enein - 2006 - taylorfrancis.com
The knowledge of metal ion speciation is essential for predicting the exact toxicities of metal
ion species in the environment. Metal ions can exist in various oxidation states, each of …

Determination of lead in water samples by graphite furnace atomic absorption spectrometry after cloud point extraction

J Chen, S Xiao, X Wu, K Fang, W Liu - Talanta, 2005 - Elsevier
Cloud point extraction (CPE) has been used for the pre-concentration of lead, after the
formation of a complex with 2-(5-bromo-2-pyridylazo)-5-(diethylamino)-phenol (5-Br …

Response surface methodology based on central composite design as a chemometric tool for optimization of dispersive-solidification liquid–liquid microextraction for …

M Asadollahzadeh, H Tavakoli, M Torab-Mostaedi… - Talanta, 2014 - Elsevier
Dispersive-solidification liquid–liquid microextraction (DSLLME) coupled with electrothermal
atomic absorption spectrometry (ETAAS) was developed for preconcentration and …