Articles with "zirconium" as a keyword



Synthesis and Polymerization Activity of Phosphine‐Pyrrolido [PN] Titanium and Zirconium Complexes

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Published in 2024 at "Applied Organometallic Chemistry"

DOI: 10.1002/aoc.7928

Abstract: A monoanionic bidentate [PN]‐type ligand based on dibenzophosphole was synthesized, and its coordination properties toward titanium and zirconium were investigated. The complexes [PN]M (NR2)3 (M = Ti, R = Me; M = Zr, R = Et) were synthesized through the reaction of 4‐(1H‐pyrrole‐2‐yl)dibenzophosphole,… read more here.

Keywords: polymerization activity; zirconium; titanium zirconium; zirconium complexes ... See more keywords
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Efficient resolution of 4-chlormandelic acid enantiomers using lipase@UiO-67(Zr) zirconium-organic frameworks in organic solvent.

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Published in 2023 at "Chirality"

DOI: 10.1002/chir.23542

Abstract: A new biocatalyst PCL@UiO-67(Zr) was successfully synthesized by immobilized lipases on metal-organic frameworks (MOFs) materials. Compare with free lipases, zirconium foundation organic framework material UiO-67(Zr) modification on immobilized lipases Pseudomonas cepacia lipase (PCL) great boosts… read more here.

Keywords: organic solvent; zirconium; organic frameworks; pcl uio ... See more keywords

Minimalistic Liquid-Assisted Route to Highly Crystalline α-Zirconium Phosphate.

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Published in 2017 at "ChemSusChem"

DOI: 10.1002/cssc.201700885

Abstract: Zirconium phosphates have potential applications in areas of ion exchange, catalysis, photochemistry, and biotechnology. However, synthesis methodologies to form crystalline α-zirconium phosphate (Zr(HPO4 )2 ⋅H2 O) typically involve the use of excess phosphoric acid, addition… read more here.

Keywords: crystalline zirconium; zirconium phosphate; zirconium; route ... See more keywords
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Zirconium Nanoparticles Based Vortex Assisted Ligandless Dispersive Solid Phase Extraction for Trace Determination of Lead in Domestic Wastewater using Flame Atomic Absorption Spectrophotometry

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Published in 2021 at "Bulletin of Environmental Contamination and Toxicology"

DOI: 10.1007/s00128-021-03318-0

Abstract: In this paper, a sensitive and simple zirconium nanoparticles (Zr-NPs) based vortex assisted ligandless dispersive solid phase extraction (VA-LDSPE) method was developed for the preconcentration of lead from wastewater samples for the determination by slotted… read more here.

Keywords: extraction; zirconium nanoparticles; vortex assisted; based vortex ... See more keywords

Synthesis of high-performance biocompatible polymeric membranes incorporated with zirconium-based MOF for an enhanced brackish water RO desalination

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Published in 2024 at "Cellulose"

DOI: 10.1007/s10570-023-05723-6

Abstract: A nanosized zirconium 1,4- dicarboxybenzene metal-organic framework (UiO-66-MOF) was synthesized and impregnated into cellulose acetate (CA) polymeric matrix to enhance the membrane characteristics for brackish water desalination. Phase inversion was used for the fabrication of… read more here.

Keywords: water desalination; brackish water; performance; zirconium ... See more keywords
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Phase transformations in intermetallic phases in zirconium alloys

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Published in 2017 at "Hyperfine Interactions"

DOI: 10.1007/s10751-016-1377-3

Abstract: Phase change was analyzed in intermetallic compounds of zirconium alloys (Zr – 1.03 at.% Fe; Zr – 0.51 at.% Fe; Zr – 0.51 at.% Fe – M(M = Nb, Sn). Mössbauer spectroscopy on 57Fe nuclei… read more here.

Keywords: intermetallic phases; phase transformations; transformations intermetallic; zirconium ... See more keywords

A New Composite Based on Electroactive Zirconium Phosphate: Morfology, Structure and Their Behavior as a Voltammetric Sensor in the Ascorbic Acid Detection

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Published in 2019 at "Journal of Inorganic and Organometallic Polymers and Materials"

DOI: 10.1007/s10904-019-01084-5

Abstract: An electroactive and chemically stable composite was obtained from zirconium (IV) isopropoxide (ZrI) and phosphoric acid (ZrP). The ZrP was characterized by techniques such as Fourier transform infrared spectroscopy, 13C and 31P nuclear magnetic resonance,… read more here.

Keywords: ascorbic acid; spectroscopy; zrp; voltammetry ... See more keywords

Preparation and Characterization of Pyramids/Particles NiO/SnO2 Composite for Sorption and Separation of Molybdenum and Zirconium Ions from Some Synthetic Fission Products

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Published in 2024 at "Journal of Inorganic and Organometallic Polymers and Materials"

DOI: 10.1007/s10904-024-03370-3

Abstract: Pyramids/particles of NiO/SnO2 composite (NS7) was produced by applying the sol–gel autocombustion method. The produced composite was investigated using different techniques, X-ray diffraction, Fourier-transform infrared, Raman spectroscopy, scanning electron microscope, dynamic light scattering, ultraviolet–visible absorbance… read more here.

Keywords: spectroscopy; pyramids particles; zirconium; molybdenum ... See more keywords
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Production, applications and status of zirconium-89 immunoPET agents

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Published in 2017 at "Journal of Radioanalytical and Nuclear Chemistry"

DOI: 10.1007/s10967-017-5358-z

Abstract: Zirconium-89 has attracted huge interests and is used in tracing and quantification of slow biological processes and labeling of long half-live biomolecules such as monoclonal antibodies for pharmacokinetic studies and clinical trials. In this review,… read more here.

Keywords: status zirconium; applications status; chemistry; production applications ... See more keywords

Influence of the zirconium precursor on the acidic and catalytic properties of sulfated zirconia catalysts prepared by sol–gel process

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Published in 2018 at "Journal of Sol-Gel Science and Technology"

DOI: 10.1007/s10971-018-4877-6

Abstract: AbstractSulfated zirconia catalysts were prepared using the sol–gel process. Hydrolysis water was produced in situ. The effects of the zirconium precursor on the physicochemical properties and the acidity of the solids have been investigated. The… read more here.

Keywords: zirconium; catalysts prepared; spectroscopy; zirconia ... See more keywords

Investigation on miscibility, thermal, crystallographic diffraction and dynamic-mechanical properties of poly(vinyl alcohol)/poly(vinylpyrrolidone)/zirconium phosphate nanocomposites

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Published in 2020 at "Journal of Thermal Analysis and Calorimetry"

DOI: 10.1007/s10973-020-09599-7

Abstract: This work approaches the effects of a synthetic nanofiller on poly(vinyl alcohol)/poly(vinylpyrrolidone)/zirconium phosphate (PVA/PVP/ZrP) nanocomposites searching its future application as control drug delivery. ZrP was synthesized by reaction of phosphoric acid and zirconium (IV) oxide… read more here.

Keywords: dynamic mechanical; diffraction; zirconium; miscibility ... See more keywords