Results 1 to 10 of about 3,838,136 (154)

Studies of Some Lanthanide(III) Nitrate Complexes of Schiff Base Ligands [PDF]

E-Journal of Chemistry, 2009
The studies of 16 new lanthanide(III) nitrate complexes of Schiff base ligands are discussed. Schiff bases were obtained by the condensation of 2–methyl–4–N,N–bis–2' –cyanoethyl aminobenzaldehyde with aniline and 3 different substituted anilines ...
Kishor Arora Mukesh Sharma, Mukesh Sharma, K. P. Sharma   +2 more
doaj   +2 more sources

Technology-Critical Element Exposure Reveals Divergent Toxicity in Different Human Cells Despite Comparable Uptake [PDF]

Biomolecules
The increasing use of Technology-Critical Elements (TCEs) in modern technology has led to widespread environmental release, raising questions about their biological effects, as emerging evidence suggests significant toxicity.
Tudor-Mihai Magdaș, Gabriela Adriana Filip, Adriana Dehelean, Simona Clichici, Constantin Bodolea, Andrei Mihai Bălan, Dana Alina Magdaș, Carmen Bianca Crivii, Ioana Bâldea   +8 more
doaj   +2 more sources

Facile and Efficient Synthesis of Xanthene Derivatives Mediated by Lanthanum(III) Nitrate Hexahydrate under Solvent Free Conditions [PDF]

Chemistry Journal of Moldova: General, Industrial and Ecological Chemistry, 2020
The present paper shows that lanthanum(III) nitrate hexahydrate can be used as mild and environment friendly homogeneous catalyst for an efficient one-pot multi-component synthesis of biologically active 1,8-dioxo-octahydroxanthene and 14H-dibenzo[a,j ...
Kabeer Ahmed Shaikh, Uddhav Nivrutti Chaudhar   +1 more
doaj   +3 more sources

Synthesis of Polymer Inclusion Membranes based on Cellulose Triacetate for Recovery of Lanthanum(III) from Aqueous Solutions

AUTEX Research Journal, 2019
Polymer inclusion membrane (PIM) containing cellulose triacetate (CTA) as a polymer matrix and 2-nitrophenyl octyl ether (NPOE) as a plasticizer was developed.
Makowka Adam, Pospiech Beata
doaj   +2 more sources

Preparation, characterization and crystal structure of the complex formed between N,N,N',N'-tetrabutylmalonamide and lanthanum(III) nitrate [PDF]

Journal of the Serbian Chemical Society, 2006
The complex [La(NO3)3(TBMA)2] (TBMA = N,N,N’,N’-tetrabutylmalonamide) was prepared by the extraction method and characterized by single-crystal X-ray diffraction.
YU CUI, GUO-XIN SUN, ZHEN-WEI ZHANG, SI-XIU SUN   +3 more
doaj   +4 more sources

Modification of Natural Zeolite for Anticorrosive Paint Preparation [PDF]

Iranian Journal of Chemistry & Chemical Engineering, 2022
Metal surface coating occupies an important place in the industry. The most important external factor on metal surfaces is corrosion. Corrosion is a natural process that occurs because of a chemical reaction between the metal surfaces and the medium.
Şebnem Pekçioğlu, Canan Uraz, Selmin Yanar Ocaktan, Olcay Zunal   +3 more
doaj   +1 more source

Morphology, phase and chemical composition of the nanostructures formed in the systems containing lanthanum, cerium, and silver

Хімія, фізика та технологія поверхні, 2021
  X-ray phase and thermogravimetric analysis, scanning electron microscopy and energy-dispersion spectroscopy were used to study the products of phase formation during the precipitation of lanthanum and cerium salts in the presence of silver nitrate ...
O, M. Lavrynenko, O. Yu. Pavlenko, M. N. Zahornyi, S. F. Korichev   +3 more
doaj   +1 more source

Synthesis, spectral characterization, thermal, computational and antibacterial studies of lanthanide complexes with 2-fluorobenzoic acid-(5-R-2-hydroxy-benzylidene)hydrazide {R = chloro or bromo)

Journal of Saudi Chemical Society, 2022
Tridentate Schiff base ligands, 2-Fluorobenzoic acid-(5-chloro-2-hydroxy benzylidene)hydrazide {H2LCl} and 2-Fluorobenzoic acid-(5-bromo-2-hydroxybenzylidene)hydrazide {H2LBr} have been used to prepare a variety of lanthanide complexes [HNEt3][LnLx(NO3)2(
Ziyad A. Taha, Taher S. Ababneh, Ahmed K. Hijazi, Sajeda M. AL-Aqtash, Waleed M. Al-Momani, Ibrahim Mhaidat   +5 more
doaj   +1 more source

catena-Poly[[tetrakis(hexamethylphosphoramide-κO)bis(nitrato-κ2O,O′)lanthanum(III)] [silver(I)-di-μ2-sulfido-tungstate(VI)-di-μ2-sulfido]]

Acta Crystallographica Section E, 2008
Hexamethylphosphoramide (hmp), tetrathiotungstate(VI), silver sulfide and lanthanum(III) nitrate are self-assembled to form discrete cations one-dimensional poylmeric anionic chains [AgWS4]nn− in the title compound, {[La(NO3)2(C6H18N3OP)4][AgWS4]}n.
Lude Lu, Chi Zhang, Jinfang Zhang, Guodong Tang   +3 more
doaj   +1 more source

Development of an environment-friendly and solvent-free synthetic route for the synthesis of 3,4-dihydropyrimidin-2-(1H)-ones/thiones by La(NO3)3.6H2O as an efficient catalyst

Makara Journal of Science, 2018
Facile and environment-friendly procedure for the synthesis of corresponding 3,4-dihydropyrimidin-2-(1H)-ones/thiones derivatives were developed via one-pot three-component Biginelli reaction between β-keto esters (methyl or ethyl acetoacetate), aromatic
Farzaneh Mohamadpour
doaj   +1 more source