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Statements

Subject Item
n2:RIV%2F00216275%3A25310%2F07%3A00006452%21RIV08-MSM-25310___
rdf:type
skos:Concept n16:Vysledek
dcterms:description
Voltametrické stanovení rtuti na zlaté rotační diskové elektrodě vyžaduje optimální ošetření elektrody. To spočívá v mechanickém očištění a elektrochemické cyklizaci v rozsahu vhodných potenciálů. Aktivovaná elektrody umožňuje stanovovat rtuť ve vodě v koncentracích 8.26?10-10 mol L. Z komplikované matrice je nutno rtuť eliminovat pomocí metody studených par. The optimal process of pre-treatment and activation of gold rotating disc electrode (AuRDE) before voltammetric determination of mercury is proposed. This treatment encompasses polishing of the electrode surface, electrochemical cycling, and activation. This procedure both increases determination sensitivity as well as improves determination reproducibility. The detection limit on the working electrode achieved using this approach amounted to 8.26?10-10 mol L-1for direct mercury determination in water solution (applying 200 s running accumulation). The procedure of the quantitative mercury isolation from complicated sample matrix was developed as well. It provides better selectivity and significant increase of sensitivity of mercury determination. In case of mercury isolation from one liter of water the detection limit is 6.23?10-11 mol L-1 (analyzing a greater sample volume the determined concentration could be lower). The optimal process of pre-treatment and activation of gold rotating disc electrode (AuRDE) before voltammetric determination of mercury is proposed. This treatment encompasses polishing of the electrode surface, electrochemical cycling, and activation. This procedure both increases determination sensitivity as well as improves determination reproducibility. The detection limit on the working electrode achieved using this approach amounted to 8.26?10-10 mol L-1for direct mercury determination in water solution (applying 200 s running accumulation). The procedure of the quantitative mercury isolation from complicated sample matrix was developed as well. It provides better selectivity and significant increase of sensitivity of mercury determination. In case of mercury isolation from one liter of water the detection limit is 6.23?10-11 mol L-1 (analyzing a greater sample volume the determined concentration could be lower).
dcterms:title
Proposal of Mercury Isolation Procedure Using Cold Vapor Method in Combination with Voltammetric Determination Using Rotating Gold Electrode Proposal of Mercury Isolation Procedure Using Cold Vapor Method in Combination with Voltammetric Determination Using Rotating Gold Electrode Voltametrické stanovení rtuti pomocí zlaté rotační diskové elektrody v kombinaci s metodou studených par
skos:prefLabel
Proposal of Mercury Isolation Procedure Using Cold Vapor Method in Combination with Voltammetric Determination Using Rotating Gold Electrode Voltametrické stanovení rtuti pomocí zlaté rotační diskové elektrody v kombinaci s metodou studených par Proposal of Mercury Isolation Procedure Using Cold Vapor Method in Combination with Voltammetric Determination Using Rotating Gold Electrode
skos:notation
RIV/00216275:25310/07:00006452!RIV08-MSM-25310___
n3:strany
479?495
n3:aktivita
n17:Z
n3:aktivity
Z(MSM0021627502)
n3:cisloPeriodika
2
n3:dodaniDat
n4:2008
n3:domaciTvurceVysledku
n5:8356718 n5:8544263 n5:8139199
n3:druhVysledku
n6:J
n3:duvernostUdaju
n15:S
n3:entitaPredkladatele
n13:predkladatel
n3:idSjednocenehoVysledku
445461
n3:idVysledku
RIV/00216275:25310/07:00006452
n3:jazykVysledku
n8:eng
n3:klicovaSlova
Mercury; Gold rotating disc electrode (AuRDE); Pre-treatment; Cold Vapor Method; Differential pulse anodic stripping voltammetry
n3:klicoveSlovo
n7:Pre-treatment n7:Differential%20pulse%20anodic%20stripping%20voltammetry n7:Cold%20Vapor%20Method n7:Gold%20rotating%20disc%20electrode%20%28AuRDE%29 n7:Mercury
n3:kodStatuVydavatele
PL - Polská republika
n3:kontrolniKodProRIV
[7ABBD2F25CC8]
n3:nazevZdroje
Central European Journal of Chemistry
n3:obor
n9:CB
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
3
n3:rokUplatneniVysledku
n4:2007
n3:svazekPeriodika
5
n3:tvurceVysledku
Šelešovská, Renáta Chýlková, Jaromíra Machalíková, Jaroslava
n3:zamer
n14:MSM0021627502
s:issn
1895-1066
s:numberOfPages
7
n18:organizacniJednotka
25310