[HTML][HTML] Carboxyl-functionalized hollow polymer microspheres for detection of trace metal elements in complex food matrixes by ICP-MS assisted with solid-phase …

J Qin, Z Su, Y Mao, C Liu, B Qi, G Fang… - … and environmental safety, 2021 - Elsevier
In this work, carboxyl-functionalized hollow polymer microspheres (CHPMs) was
successfully fabricated using poly (styrene-itaconic anhydride) particles as the core template …

Nanocomposite based on graphene and intercalated covalent organic frameworks with hydrosulphonyl groups for electrochemical determination of heavy metal ions

F Pan, C Tong, Z Wang, H Han, P Liu, D Pan, R Zhu - Microchimica Acta, 2021 - Springer
An electrochemical sensor constructed by intercalated composites was developed for
determination of heavy metal ions. The intercalated composites were composed of …

Functional COFs for Electrochemical Sensing: From Design Principles to Analytical Applications

Y Wei, W Yang, H Guo - ChemistrySelect, 2023 - Wiley Online Library
At present, applications of covalent organic frameworks (COFs), a class of novel crystalline
porous materials fabricated by organic structural blocks only containing light elements such …

Novel sulfhydryl functionalized covalent organic frameworks for ultra-trace Hg2+ removal from aqueous solution

F Pan, C Tong, Z Wang, F Xu, X Wang, B Weng… - Journal of Materials …, 2021 - Elsevier
Two kinds of novel sulfhydryl functionalized covalent organic frameworks were fabricated as
adsorbents for the removal of ultra-trace concentrations of Hg 2+ from water. The two kinds …

Unraveling the complex composition of produced water by specialized extraction methodologies

RV Emmons, GS Shyam Sunder, T Liden… - … science & technology, 2022 - ACS Publications
Produced water (PW), a waste byproduct of oil and gas extraction, is a complex mixture
containing numerous organic solubles and elemental species; these constituents range from …

Magnetic solid phase extraction of lead ion from water samples with humic acid modified magnetic nanoparticles prior to its fame atomic absorption spectrometric …

X Shan, L Zhang, H Ye, J Shao, Y Shi, S Tan, K Su… - Microchemical …, 2022 - Elsevier
In this work, a humic acid modified magnetic nanoparticles (HA-Fe 3 O 4 MNPs) was
synthesized and applied for magnetic solid phase extraction (MSPE) of Pb (Ⅱ) from water …

Preparation of melon peel biochar/CoFe2O4 as a new adsorbent for the separation and preconcentration of Cu(II), Cd(II), and Pb(II) ions by solid-phase extraction in …

D Ozdes, C Duran - Environmental Monitoring and Assessment, 2021 - Springer
The present research describes the successful preparation of melon peel biochar modified
with CoFe 2 O 4 (MPBC/CoFe 2 O 4) followed by its usage as a new sorbent to separate …

Synthesis, characterization of chitosan-trithiocyanuric and its removal mechanism of Cr (VI) and Pb (II) from wastewater

W Wang, L Qi, S Han, H Yuan - Chemical Engineering Science, 2023 - Elsevier
A new chitosan-trithiocyanuric composite (CS@ TMT) was synthesized by graft
copolymerization using chloroacetyl chloride as the cross-linking agent. Using response …

An easy and green amine-based microextraction strategy combined UV–Vis spectrophotometric detection for mercury in natural water samples

S Dogru, E Yilmaz, SB Gunduz, M Soylak - Journal of the Iranian Chemical …, 2021 - Springer
An amine-based microextraction method was established for preconcentration of mercury by
forming a 1-(2-pyridylazo)-2-naphthol (PAN) chelate complex. The Hg (II)-PAN hydrophobic …

The Development of Alternative Green Sample Preparation Approaches for Analysis of Unconventional Environmental Pollutants

RV Emmons - 2023 - rave.ohiolink.edu
The need for more robust, high-throughput sample preparation methodologies continues to
grow as the analytical challenges of the modern world progress. This is apparent from the …