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Statements

Subject Item
n2:RIV%2F00216224%3A14310%2F00%3A00002851%21RIV08-MSM-14310___
rdf:type
skos:Concept n13:Vysledek
dcterms:description
Selective preconcentration of gold in the form of ion associates of Au(III) chloro complex or Au(I) cyano complex with quaternary bases was studied using modified silica gel. Solutions containing gold in the presence of the complexing anion and a quaternary base were pumped through a Separon(TM) SGX C18 column. After elution with 96 vol.% ethanol, the eluate was evaporated in the presence a complexing agent (chloride or cyanide). The resulting aqueous solutions were analyzed with inductively coupled plasma atomic emission spectrometry. The influence of concentration of onium salts, chlorides, nitrates, and the influence of the sample volume on the sorption were studied. The sorption flow rate and the elution volume were optimized, and the separation from a geological sample matrix was verified. The best recovery (100%) of preconcentration of Au(III) chloro complex was obtained with [1-(ethoxycarbonyl)pentadecyl] trimethylammonium bromide and 1-hexadecylpyridinium chloride at concentrations of 0.006 an Selective preconcentration of gold in the form of ion associates of Au(III) chloro complex or Au(I) cyano complex with quaternary bases was studied using modified silica gel. Solutions containing gold in the presence of the complexing anion and a quaternary base were pumped through a Separon(TM) SGX C18 column. After elution with 96 vol.% ethanol, the eluate was evaporated in the presence a complexing agent (chloride or cyanide). The resulting aqueous solutions were analyzed with inductively coupled plasma atomic emission spectrometry. The influence of concentration of onium salts, chlorides, nitrates, and the influence of the sample volume on the sorption were studied. The sorption flow rate and the elution volume were optimized, and the separation from a geological sample matrix was verified. The best recovery (100%) of preconcentration of Au(III) chloro complex was obtained with [1-(ethoxycarbonyl)pentadecyl] trimethylammonium bromide and 1-hexadecylpyridinium chloride at concentrations of 0.006 an Selective preconcentration of gold in the form of ion associates of Au(III) chloro complex or Au(I) cyano complex with quaternary bases was studied using modified silica gel. Solutions containing gold in the presence of the complexing anion and a quaternary base were pumped through a Separon(TM) SGX C18 column. After elution with 96 vol.% ethanol, the eluate was evaporated in the presence a complexing agent (chloride or cyanide). The resulting aqueous solutions were analyzed with inductively coupled plasma atomic emission spectrometry. The influence of concentration of onium salts, chlorides, nitrates, and the influence of the sample volume on the sorption were studied. The sorption flow rate and the elution volume were optimized, and the separation from a geological sample matrix was verified. The best recovery (100%) of preconcentration of Au(III) chloro complex was obtained with [1-(ethoxycarbonyl)pentadecyl] trimethylammonium bromide and 1-hexadecylpyridinium chloride at concentrations of 0.006 an
dcterms:title
Preconcentration and separation of gold on modified silica gel Preconcentration and separation of gold on modified silica gel Preconcentration and separation of gold on modified silica gel
skos:prefLabel
Preconcentration and separation of gold on modified silica gel Preconcentration and separation of gold on modified silica gel Preconcentration and separation of gold on modified silica gel
skos:notation
RIV/00216224:14310/00:00002851!RIV08-MSM-14310___
n3:strany
1848
n3:aktivita
n4:P
n3:aktivity
P(VS97020)
n3:cisloPeriodika
12
n3:dodaniDat
n18:2008
n3:domaciTvurceVysledku
n10:5537320 n10:1224670 n10:2647788
n3:druhVysledku
n15:J
n3:duvernostUdaju
n14:S
n3:entitaPredkladatele
n17:predkladatel
n3:idSjednocenehoVysledku
722730
n3:idVysledku
RIV/00216224:14310/00:00002851
n3:jazykVysledku
n6:eng
n3:klicovaSlova
Solid phase extraction; Gold; Ionic associates; Atomic emission spectrometry; Inductively coupled plasma
n3:klicoveSlovo
n5:Atomic%20emission%20spectrometry n5:Gold n5:Solid%20phase%20extraction n5:Inductively%20coupled%20plasma n5:Ionic%20associates
n3:kodStatuVydavatele
CZ - Česká republika
n3:kontrolniKodProRIV
[BAEBB18C4570]
n3:nazevZdroje
Collection of Czechoslovak Chemical Communications
n3:obor
n11:CB
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
3
n3:projekt
n16:VS97020
n3:rokUplatneniVysledku
n18:2000
n3:svazekPeriodika
65
n3:tvurceVysledku
Hájková, Jana Otruba, Vítězslav Kanický, Viktor
s:issn
0010-0765
s:numberOfPages
17
n9:organizacniJednotka
14310