Preconcentration techniques for uranium (VI) and thorium (IV) prior to analytical determination—an overview
The need for the preconcentration of trace and ultratrace amounts of uranium (VI) and
thorium (IV) in conjunction with various detection techniques was clearly brought out in the …
thorium (IV) in conjunction with various detection techniques was clearly brought out in the …
An overview of carbon nanotubes role in heavy metals removal from wastewater
L Ouni, A Ramazani, S Taghavi Fardood - Frontiers of Chemical Science …, 2019 - Springer
The scarcity of water, mainly in arid and semiarid areas of the world is exerting exceptional
pressure on sources and necessitates offering satisfactory water for human and different …
pressure on sources and necessitates offering satisfactory water for human and different …
Separation and enrichment of chromium, copper, nickel and lead in surface seawater samples on a column filled with Amberlite XAD-2000
A separation/enrichment procedure has been established for atomic absorption
spectrometric determination of some trace metal ions by using a column filled Amberlite XAD …
spectrometric determination of some trace metal ions by using a column filled Amberlite XAD …
Solid-phase extraction–spectrophotometric determination of uranium (VI) in natural waters
A method for the extraction and determination of uranyl ion in natural waters using octadecyl
bonded silica membrane disks modified with piroxicam and spectrophotometry with …
bonded silica membrane disks modified with piroxicam and spectrophotometry with …
Preconcentration of trace amounts of beryllium in water samples on octadecyl silica cartridges modified by quinalizarine and its determination with atomic absorption …
A simple method has been developed for rapid and selective extraction, preconcentration
and determination of trace amounts of beryllium. The extraction is carried out by octadecyl …
and determination of trace amounts of beryllium. The extraction is carried out by octadecyl …
Solid phase extraction and flame atomic absorption spectrometric determination of trace amounts of zinc and cobalt ions in water samples
A simple and rapid method for the preconcentration of Co 2+ and Zn 2+ as their 2-guanidino-
benzimidazole chelates is proposed using an octadecyl silica cartridge. The retained …
benzimidazole chelates is proposed using an octadecyl silica cartridge. The retained …
Separation and preconcentration of trace amounts of lead on octadecyl silica membrane disks modified with a new O, S-containing schiff's base and its determination …
OR Hashemi, F Raoufi, MR Ganjali, A Moghimi… - Analytical …, 2000 - jstage.jst.go.jp
The Schiff's base L was synthesized in the usual manner28 by the reaction of thiophene-2-
carbaldehyde with 1, 8-diamine-3, 6-dioxaoctane in a 2: 1 molar ratio, as follows. A 50-cm3 …
carbaldehyde with 1, 8-diamine-3, 6-dioxaoctane in a 2: 1 molar ratio, as follows. A 50-cm3 …
A novel PVC-membrane optical sensor for highly sensitive and selective determination of UO22+ ion based on a recently synthesized benzo-substituted macrocyclic …
A highly sensitive ion-selective bulk optode membrane for sensing UO22+ ion based on
plasticized poly (vinyl chloride) containing 6, 7, 9, 10, 12, 13, 15, 16, 23, 24, 25, 26 …
plasticized poly (vinyl chloride) containing 6, 7, 9, 10, 12, 13, 15, 16, 23, 24, 25, 26 …
Rapid extraction and assay of uranium from environmental surface samples
CA Barrett, W Chouyyok, RJ Speakman, KB Olsen… - Talanta, 2017 - Elsevier
Environmental sampling to detect trace nuclear signatures is key component of international
nuclear treaty enforcement. Herein, we explored rapid chemical extraction methods …
nuclear treaty enforcement. Herein, we explored rapid chemical extraction methods …
Isocyanate functionalized multiwalled carbon nanotubes for separation of lead from cyclotron production of thallium-201
Multiwalled carbon nanotubes (MWCNTs) were modified by strong oxidizing agents and
were functionalized with toluene 2, 4-diisocyanate, and they were used for selective …
were functionalized with toluene 2, 4-diisocyanate, and they were used for selective …