📄 Category

chemistry

1639 papers

📄 chemistry

Synergistic effects of In nanoparticle doping and ultrasonic assistance on the interfacial microstructure and reliability of Sn58Bi/Ni solder joints

This study demonstrates that synergistically combining 0.1 wt% In nanoparticle doping with ultrasonic-assisted soldering optimizes the wettability, microstructure, and mechanical reliability of Sn58Bi/Ni joints by refining grains, forming a compact Ni₃(Sn,In)₄ interfacial layer, and achieving peak shear strength of 33.61 MPa, while excessive In content degrades these properties.

Xiao-bin Zhang, liang zhang, Wei-min Long, Yu-hao Chen, Yu-jing Qiu, Tao Liu2026-09-23
📄 chemistry

Thermodynamic modeling of chromium nitride precipitation in duplex stainless steels and weld metals

This study utilizes Thermo-Calc and DICTRA to model how nitrogen content, grain size, and cooling rates influence chromium nitride precipitation in duplex stainless steels and weld metals, demonstrating that the methodology accurately reproduces experimental phenomena such as nitride-free zones when using critical austenite spacing as a comparison criterion.

Sten Wessman, Elin M. Westin, Staffan Hertzman2026-09-23
📄 chemistry

Enhanced Supercapacitive Performance of PANI/CdCrO₃/GO Ternary Nanocomposite: A Comparative Study with GO/CdCrO₃  Superior Electrochemical Performance of the Ternary Electrode

This study demonstrates that a ternary PANI/CdCrO₃/GO nanocomposite electrode, synthesized via hydrothermal and in situ polymerization methods, significantly outperforms its binary CdCrO₃/GO counterpart by achieving a specific capacitance of 1715 Fg⁻¹, a maximum energy density of 184.4 Wh kg⁻¹, and 80% capacitance retention after 1000 cycles, making it a promising candidate for high-performance supercapacitor applications.

Aisha Siddiqa Aisha Siddiqa, Malika Rani Malika Rani, Aqeel Ahmed Shah Aqeel Ahmed Shah, M. Ajmal Khan M. Ajmal Khan2026-09-23
📄 chemistry

Column Studies on Biosorption of Metal Ions in Contaminated Surface Water and Leachate

This study demonstrates that fixed-bed columns utilizing biosorbents derived from *Coffea canephora* husks and *Musa* spp. peels effectively remove major and trace metal ions from contaminated urban surface water and landfill leachate in Uganda, with performance well-described by Thomas and Adams-Bohart kinetic models.

Bakyayita Grace Kizito, Mugaanire Tendo Innocent, Kulabako Robinnah Nakawunde, Gumula Ivan, Abiriga Daniel2026-09-23
📄 chemistry

Synthesis and characterization of new unsymmetrical diglycolamide extractants for lanthanide ion partitioning: part two – branched alkyl derivatives

This study reports the synthesis and characterization of six new unsymmetrical diglycolamide ligands with branched alkyl derivatives, evaluating their effectiveness and complexation stoichiometry for partitioning trivalent lanthanide ions from acidic nitrate media through radiometric distribution measurements and luminescence spectroscopy.

Benjamin G. Tokheim, Shane S. Kelly, Robert C. Ronald, Kenneth L. Nash2026-09-23
📄 chemistry

Microstructure and Mechanical Properties of Al-Ce and Al-Ce-Cr Cast Alloys: Effects of Cr and Solidification Conditions

This study demonstrates that adding chromium to Al-Ce alloys and employing centrifugal solidification significantly refines the microstructure and enhances compressive strength, albeit with reduced strain-hardening capacity, due to the formation of primary Al20CeCr2 intermetallic particles.

Gueber Elias Mendes Santos Júnior, Leonardo Carvalho Oliveira, Argos Soares Silva, Jaderson Rodrigo Silva Leal, André Sa (…)2026-09-23
📄 chemistry

Açaí-derived low-molecular-weight sulfated xylan: structural optimization and anticoagulant/antithrombotic activity

This study demonstrates that a low-molecular-weight sulfated xylan derived from açaí pulp exhibits potent anticoagulant and antithrombotic activities through antithrombin-dependent and independent mechanisms, though its therapeutic potential is currently limited by local inflammatory toxicity at the injection site.

Genilza da Silva Mello, Guilherme Lanzi Sassaki, Guilherme Fadel Picheth, Leociley Rocha Alencar Menezes, Alexandra Acco (…)2026-09-23
📄 chemistry

Structural, Optical, Photocatalytic, and Dielectric properties of Biosynthesized, Sol-Gel, and Simple Precipitated TiO2 nanoparticles

This study compares anatase TiO₂ nanoparticles synthesized via lemon peel-assisted green, sol-gel, and precipitation methods, revealing that while the green route maximizes low-frequency dielectric permittivity through defect-assisted mechanisms, the precipitation method yields superior photocatalytic activity due to higher crystallinity and reduced charge recombination.

Shah Sadia Rahman, Sadia Samanta, Harunur Rashid, Md. Lutfor Rahman2026-09-23