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Statements

Subject Item
n2:RIV%2F00216275%3A25310%2F07%3A00006295%21RIV08-MSM-25310___
rdf:type
skos:Concept n17:Vysledek
dcterms:description
The complexation reactions between 4-(2-pyridylazo)resorcinol (PAR) and Al3+, Fe3+, Zn2+ and Cd2+ ions at 25oC and 0.1M ionic strength are performed spectrophotometrically. A critical comparison of the various PCA methods on the absorbance matrix data concerning the number of light absorbing species has been made. Knowing of the number of light absorbing species is a critical step for subsequent quantitative and qualitative all solution equilibria studies. Therefore, the nine selected index functions for the prediction of the number of light-absorbing components which contribute to a set of spectra are critically tested using the algorithms implemented in INDICES software. Behind the number of various complexes formed the stability constants of species ML and MLH type log β11 and log β111 for the system of PAR (ligand L) with Zn2+ and Cd2+ ions and the stability constants of species ML, ML2, MLH and ML2H type log β11, log β12, log β111 and log β121 for the system of PAR ( The complexation reactions between 4-(2-pyridylazo)resorcinol (PAR) and Al3+, Fe3+, Zn2+ and Cd2+ ions at 25oC and 0.1M ionic strength are performed spectrophotometrically. A critical comparison of the various PCA methods on the absorbance matrix data concerning the number of light absorbing species has been made. Knowing of the number of light absorbing species is a critical step for subsequent quantitative and qualitative all solution equilibria studies. Therefore, the nine selected index functions for the prediction of the number of light-absorbing components which contribute to a set of spectra are critically tested using the algorithms implemented in INDICES software. Behind the number of various complexes formed the stability constants of species ML and MLH type log β11 and log β111 for the system of PAR (ligand L) with Zn2+ and Cd2+ ions and the stability constants of species ML, ML2, MLH and ML2H type log β11, log β12, log β111 and log β121 for the system of PAR ( Studium vzniku komplexů mezi 4-(2-Pyridylazo) resorcinolem a Al3+, Fe3+, Zn2+ a Cd2+ ionty ve vodných roztocích a 0.1M iontové síle bylo provedeno spektrofotometricky. Vedle počtu světlo-absorbujících částic programem INDICES byly programem SQUAD a EQUISPEC stanoveny konstanty stability.
dcterms:title
The Study of Complex Formation Between 4-(2-Pyridylazo) Resorcinol and Al3+, Fe3+, Zn2+ and Cd2+ Ions in Aqueous Solution at 0.1M Ionic Strength The Study of Complex Formation Between 4-(2-Pyridylazo) Resorcinol and Al3+, Fe3+, Zn2+ and Cd2+ Ions in Aqueous Solution at 0.1M Ionic Strength Studium vzniku komplexů mezi 4-(2-Pyridylazo) resorcinolem a Al3+, Fe3+, Zn2+ a Cd2+ ionty ve vodných roztocích a 0.1M iontové síle
skos:prefLabel
Studium vzniku komplexů mezi 4-(2-Pyridylazo) resorcinolem a Al3+, Fe3+, Zn2+ a Cd2+ ionty ve vodných roztocích a 0.1M iontové síle The Study of Complex Formation Between 4-(2-Pyridylazo) Resorcinol and Al3+, Fe3+, Zn2+ and Cd2+ Ions in Aqueous Solution at 0.1M Ionic Strength The Study of Complex Formation Between 4-(2-Pyridylazo) Resorcinol and Al3+, Fe3+, Zn2+ and Cd2+ Ions in Aqueous Solution at 0.1M Ionic Strength
skos:notation
RIV/00216275:25310/07:00006295!RIV08-MSM-25310___
n4:strany
1171-1178
n4:aktivita
n18:Z
n4:aktivity
Z(MSM0021627502)
n4:cisloPeriodika
1
n4:dodaniDat
n7:2008
n4:domaciTvurceVysledku
n16:6862519
n4:druhVysledku
n6:J
n4:duvernostUdaju
n5:S
n4:entitaPredkladatele
n15:predkladatel
n4:idSjednocenehoVysledku
453234
n4:idVysledku
RIV/00216275:25310/07:00006295
n4:jazykVysledku
n13:eng
n4:klicovaSlova
Principal component analysis; Rank of matrix; Number of species; Stability constant, Spectrophotometric, SQUAD, EQUISPEC
n4:klicoveSlovo
n14:EQUISPEC n14:Number%20of%20species n14:Stability%20constant n14:Principal%20component%20analysis n14:Rank%20of%20matrix n14:SQUAD n14:Spectrophotometric
n4:kodStatuVydavatele
US - Spojené státy americké
n4:kontrolniKodProRIV
[26F805D26328]
n4:nazevZdroje
Journal of Chemical and Engineering Data
n4:obor
n12:CI
n4:pocetDomacichTvurcuVysledku
1
n4:pocetTvurcuVysledku
3
n4:rokUplatneniVysledku
n7:2007
n4:svazekPeriodika
52
n4:tvurceVysledku
Ghasemi, Jahan Peyman, H. Meloun, Milan
n4:zamer
n11:MSM0021627502
s:issn
0021-9568
s:numberOfPages
8
n3:organizacniJednotka
25310