Results 21 to 30 of about 213,618 (247)

Fate of nickel ion in (II-III) hydroxysulphate green rust synthesized by precipitation and coprecipitation Adsorção de íon níquel em (II-III) green rust hidroxisulfato sintetizado por precipitação e co-precipitação

Revista Brasileira de Ciência do Solo, 2007
In order to investigate the efficiency of sulfate green rust (GR2) to remove Ni from solution, GR2 samples were synthesized under controlled laboratory conditions.
Lucia Helena Garófalo Chaves, Joan Elizabeth Curry, David Andrew Stone, Jon Chorover   +3 more
doaj   +1 more source

Investigation of the removal of Ni(II) from aqueous solution using pomelo fruit peel

Vietnam Journal of Science, Technology and Engineering, 2022
Pomelo fruit peel, an organic waste, was utilised as a biosorbent to remove Ni(II) from aqueous solutions. Some major factors influencing Ni(II) uptake such as pH, adsorption time, and initial Ni(II) concentration were examined.
Van phuc Dinh
doaj   +1 more source

Molecular and Electronic Structures of Macrocyclic Compounds Formed at Template Synthesis in the M(II)—Thiocarbohydrazide—Diacetyl Triple Systems: A Quantum-Chemical Analysis by DFT Methods

Molecules, 2023
Using density functional theory (DFT) B3PW91/TZVP, M06/TZVP, and OPBE/TZVP chemistry models and the Gaussian09 program, a quantum-chemical calculation of geometric and thermodynamic parameters of Ni(II), Cu(II), and Zn(II) macrotetracyclic chelates, with
Oleg V. Mikhailov, Denis V. Chachkov
doaj   +1 more source

XAS studies of Ni(I), Ni(II), and Ni(III) complexes [PDF]

Physica B: Condensed Matter, 1995
Abstract XAS techniques for studying structural and electronic changes taking place after oxidation and reduction reactions of nickel complexes are described and applied to selected models for Factor 430, a nickel containing cofactor catalyzing an important step in the conversion of carbon dioxide to methane by methanogenic bacteria.
Furenlid, L. R., Renner, M. W., Fujita, E.   +2 more
openaire   +1 more source

OPTIMALISASI TRANSPORT SELEKTIF ION Ni(II) TERHADAP Cd(II) DENGAN ZAT PEMBAWA OKSIN MELALUI TEKNIK MEMBRAN CAIR FASA RUAH SECARA SIMULTAN

Jurnal Riset Kimia, 2015
The selective transport of Ni(II) to Cd(II) through simultaneously liquid membrane technique has been investigated. The cell membrane was made by mixturing Ni(II) and Cd(II) ions at concentration as 3.41x10-4 M and 1.78x10-4 M respectively as source ...
Vera Tri Ningsih, Admin Alif, Hermansyah Aziz   +2 more
doaj   +1 more source

Transition probabilities for [Ni I] and [Ni II] lines [PDF]

Astronomy and Astrophysics Supplement Series, 1996
New radiative transition probabilities have been calculated for forbidden lines of astrophysical interest in Ni I and Ni II. The accuracy of the transition probability scales is established on the basis of two independent calculations performed with the approximately relativistic Hartree-Fock and SUPERSTRUCTURE codes.
P. Quinet, M. Le Dourneuf
openaire   +1 more source

Nickel incorporation in Fe(II, III) hydroxysulfate Green Rust: effect on crystal lattice spacing and oxidation products Incorporação de níquel em Fe (II-III) Grenn Rust hidroxisulfato: efeito sobre a estrutura cristalina e produtos de oxidação

Revista Brasileira de Ciência do Solo, 2009
Ni(II)-Fe(II)-Fe(III) layered double hydroxides (LDH) or Ni-containing sulfate green rust (GR2) samples were prepared from Ni(II), Fe(II) and Fe(III) sulfate salts and analyzed with X ray diffraction.
Lucia Helena Garófalo Chaves, Joan Elizabeth Curry, David Andrew Stone, Michael D. Carducci, Jon Chorover   +4 more
doaj   +1 more source

Ni(II) Interactions in Boreal Paenibacillus sp., Methylobacterium sp., Paraburkholderia sp., and Pseudomonas sp. Strains Isolated From an Acidic, Ombrotrophic Bog

Frontiers in Microbiology, 2019
The uptake of nickel [Ni(II)] by Paenibacillus sp., Methylobacterium sp., Paraburkholderia sp., and Pseudomonas sp. strains isolated from a boreal bog was studied using batch experiments.
Jenna Knuutinen, Malin Bomberg, Marianna Kemell, Merja Lusa   +3 more
doaj   +1 more source

Ni(II) and Co(II) Sensing by Escherichia coli RcnR [PDF]

Journal of the American Chemical Society, 2008
Escherichia coli RcnR and Mycobacterium tuberculosis CsoR are the founding members of a recently identified, large family of bacterial metal-responsive DNA-binding proteins. RcnR controls the expression of the metal efflux protein RcnA only in response to Ni(II) and Co(II) ions.
Iwig, JS, Leitch, S, Herbst, RW, Maroney, MJ, Chivers, PT   +4 more
openaire   +2 more sources

SEPARATION OF Fe (III), Cr(III), Cu(II), Ni(II), Co(II), AND Pb(II) METAL IONS USING POLY(EUGENYL OXYACETIC ACID) AS AN ION CARRIER BY A LIQUID MEMBRANE TRANSPORT METHOD

Indonesian Journal of Chemistry, 2010
Fe (III), Cr(III), Cu(II), Ni(II), Co(II), and Pb(II)  metal ions had been separated using poly(eugenyl oxyacetic acid) as an ion carrier by bulk liquid membrane transport method.
La Harimu, Sabirin Matsjeh, Dwi Siswanta, Sri Juari Santosa   +3 more
doaj   +1 more source