New sorbents for solid‐phase extraction for metal enrichment

AR Türker - Clean–Soil, air, water, 2007 - Wiley Online Library
Sample pretreatment methods, such as separation and/or preconcentration prior to the
determination of metal ions have developed rapidly due to the increasing need for accurate …

Advances in preconcentration/removal of environmentally relevant heavy metal ions from water and wastewater by sorbents based on polyurethane foam

C Teodosiu, R Wenkert, L Tofan… - Reviews in Chemical …, 2014 - degruyter.com
An increased interest in the removal of heavy metal ions from aqueous media is
encountered due to their toxicity and negative impacts on ecosystems, human health and …

Removal of the malachite green (MG) dye from textile industrial wastewater using the polyurethane foam functionalized with salicylate

M El-Bouraie - Journal of Dispersion Science and Technology, 2015 - Taylor & Francis
Polyurethane foam was chemically functionalized with salicylate through the–N˭ N–group
generating a stable chelating sorbent PUFSalicylate (PUFS) for being used as a low cost …

[HTML][HTML] Polyurethane foam functionalized with phenylfluorone for online preconcentration and determination of copper and cadmium in water samples by flame …

JM de Sousa, MT Couto, RJ Cassella - Microchemical Journal, 2018 - Elsevier
In this work, a polyurethane foam (PUF) functionalized with phenylfluorone (PUF-PF) was
packed in a minicolumn and used as an on-line preconcentration system for cadmium and …

Dynamic adsorption behavior and mechanism of transition metal ions on silica gels functionalized with hydroxyl-or amino-terminated polyamines

M Wang, R Qu, C Sun, P Yin, H Chen - Chemical engineering journal, 2013 - Elsevier
The metal ion adsorption behaviors of five silica gel adsorbents functionalized with hydroxyl-
or amino-terminated polyamines (SiO2-EA, SiO2-DEA, SiO2-EDA, SiO2-DETA, and SiO2 …

Spectrophotometric determination of inorganic mercury (II) after preconcentration of its diphenylthiocarbazone complex on a cellulose column

N Rajesh, MS Hari - Spectrochimica Acta Part A: Molecular and …, 2008 - Elsevier
A simple and a relatively green methodology have been developed for the preconcentration
of mercury based on the adsorption of its diphenylthiocarbazone complex on a cellulose …

Solid phase extraction and spectrophotometric determination of mercury by adsorption of its diphenylthiocarbazone complex on an alumina column

N Rajesh, G Gurulakshmanan - Spectrochimica Acta Part A: Molecular and …, 2008 - Elsevier
A simple method has been developed for the preconcentration of mercury based on the
adsorption of its diphenylthiocarbazone complex on a neutral alumina column. The …

Pico level monitoring of silver with modified hexagonal mesoporous compound (MCM-41) and inductively coupled plasma atomic emission spectrometry

MR Ganjali, A Daftari, L Hajiagha-Babaei… - Water, Air, and Soil …, 2006 - Springer
A rapid method for the extraction and monitoring of picogram level of silver ions using
uniform silanized mesopor (MCM-41) modified by a thiocompound and inductively coupled …

Determination of trace amount of silver in water samples by flame atomic absorption after preconcentration by ZnO nano sorbent

Z Ayazi, M Banihashemi - Separation Science and Technology, 2016 - Taylor & Francis
ABSTRACT A simple and fast method based on solid phase extraction (SPE) applying zinc
oxide (ZnO) nanoparticles and atomic absorption spectrometry (AAS) was developed for the …

聚氨酯泡沫在环境领域的应用及其回收处理

耿佳, 冯芳, 王东田 - 材料导报, 2012 - cqvip.com
总结了聚氨酯泡沫在环境领域的应用开发, 包括利用聚氨酯泡沫作为水处理金属离子吸附剂,
气固废吸附材料基材, 废水处理用微生物载体. 综述了废旧聚氨酯泡沫回收处理及利用方法 …