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Statements

Subject Item
n2:RIV%2F61388980%3A_____%2F14%3A00392657%21RIV14-AV0-61388980
rdf:type
n8:Vysledek skos:Concept
dcterms:description
Complexes of Co2?, Ni2 ?, and Cu2? with N-(phosphonomethyl)aminosuccinic acid (H4PMAS) of general formula Na2MPMAS nH2O [M=Co(II), Ni(II), Cu(II), n—number of water molecules] were synthesized. Based on interpretation of diffusion reflectance spectroscopy, structure of all complexes is based on distorted octahedral. Analysis of IR spectra of Co(II), Ni(II), and Cu(II) N-(phosphonomethyl)aminosuccinates demonstrated that metal ions are coordinated to the ligand through nitrogen atom of the imino group, oxygen atoms of the aand b-carboxyl groups as well as oxygen atom of the phosphonic group of the H4PMAS. We demonstrated that thermal stability of complexes increases in sequence Cu(II)/Ni(II)/Co(II), obviously as a result of change over from the dimeric to polymeric character of the initial complex. Complete decomposition of ligand occurs at these temperatures and is accompanied by release of H2O, CO2, and NO2. The final products of thermal decomposition of the complexes are mixtures of oxides and phosphates of respective metals. Complexes of Co2?, Ni2 ?, and Cu2? with N-(phosphonomethyl)aminosuccinic acid (H4PMAS) of general formula Na2MPMAS nH2O [M=Co(II), Ni(II), Cu(II), n—number of water molecules] were synthesized. Based on interpretation of diffusion reflectance spectroscopy, structure of all complexes is based on distorted octahedral. Analysis of IR spectra of Co(II), Ni(II), and Cu(II) N-(phosphonomethyl)aminosuccinates demonstrated that metal ions are coordinated to the ligand through nitrogen atom of the imino group, oxygen atoms of the aand b-carboxyl groups as well as oxygen atom of the phosphonic group of the H4PMAS. We demonstrated that thermal stability of complexes increases in sequence Cu(II)/Ni(II)/Co(II), obviously as a result of change over from the dimeric to polymeric character of the initial complex. Complete decomposition of ligand occurs at these temperatures and is accompanied by release of H2O, CO2, and NO2. The final products of thermal decomposition of the complexes are mixtures of oxides and phosphates of respective metals.
dcterms:title
Novel complexes of Co2+, Ni2+, and Cu2+ with N-(phosphonomethyl)aminosuccinic acid Novel complexes of Co2+, Ni2+, and Cu2+ with N-(phosphonomethyl)aminosuccinic acid
skos:prefLabel
Novel complexes of Co2+, Ni2+, and Cu2+ with N-(phosphonomethyl)aminosuccinic acid Novel complexes of Co2+, Ni2+, and Cu2+ with N-(phosphonomethyl)aminosuccinic acid
skos:notation
RIV/61388980:_____/14:00392657!RIV14-AV0-61388980
n8:predkladatel
n12:ico%3A61388980
n4:aktivita
n17:I
n4:aktivity
I
n4:cisloPeriodika
1
n4:dodaniDat
n11:2014
n4:domaciTvurceVysledku
n10:2204606 n10:7933665 n10:1246364
n4:druhVysledku
n16:J
n4:duvernostUdaju
n15:S
n4:entitaPredkladatele
n13:predkladatel
n4:idSjednocenehoVysledku
33087
n4:idVysledku
RIV/61388980:_____/14:00392657
n4:jazykVysledku
n7:eng
n4:klicovaSlova
Carboxyphosphonate; N-(phosphonomethyl)aminosuccinic acid; Thermal decomposition
n4:klicoveSlovo
n5:Thermal%20decomposition n5:N-%28phosphonomethyl%29aminosuccinic%20acid n5:Carboxyphosphonate
n4:kodStatuVydavatele
HU - Maďarsko
n4:kontrolniKodProRIV
[CA429B24E124]
n4:nazevZdroje
Journal of Thermal Analysis and Calorimetry
n4:obor
n6:CA
n4:pocetDomacichTvurcuVysledku
3
n4:pocetTvurcuVysledku
6
n4:rokUplatneniVysledku
n11:2014
n4:svazekPeriodika
115
n4:tvurceVysledku
Trunova, O. K. Šubrt, Jan Shovkova, G. V. Gerasimchuk, A. I. Bezdička, Petr Večerníková, Eva
n4:wos
000329621100084
s:issn
1388-6150
s:numberOfPages
10
n14:doi
10.1007/s10973-013-3191-3