Polarographic and voltammetric determination of 4,4′-bis[(4-diethanolamino-6-(2,5-disulfophenylamino)-1,3,5-triazin-2-yl) amino]stilbene-2,2′-disulfonic acid

Jiří Barek, Roman Hrnčíř, Josino C. Moreira, Jiří Zima

Результат исследований: Материалы для журналаСтатья

1 цитирование (Scopus)

Выдержка

The polarographic and voltammetric behaviour was studied for 4,4′-bis[(4-diethanolamino-6-(2,5-disulfophenylamino)-1,3,5-triazin-2-yl) amino]stilbene-2,2′-disulfonic acid, which is the basis of many commercial optical whitening agents. The optimum conditions were found for quantitation of this substance in tetraethylammonium bromide solutions in dimethylformamide containing 5% (v/v) water using TAST polarography, differential pulse polarography, linear sweep voltammetry at a hanging mercury drop electrode, and differential pulse voltammetry at a hanging mercury drop electrode over the concentration regions of 100-500, 10-500, 10-500, and 1-100 μmol 1-1, respectively. The practical applicability of the new analytical methods to the determination of the substance in technical products was verified.

Язык оригиналаАнглийский
Страницы (с-по)663-672
Число страниц10
ЖурналCollection of Czechoslovak Chemical Communications
Том61
Номер выпуска5
DOI
СостояниеОпубликовано - 1 мая 1996
Опубликовано для внешнего пользованияДа

Отпечаток

Polarographic analysis
Stilbenes
Voltammetry
Mercury
Bleaching Agents
Dimethylformamide
Electrodes
Acids
Tetraethylammonium
Water

ASJC Scopus subject areas

  • Chemistry(all)

Цитировать

Polarographic and voltammetric determination of 4,4′-bis[(4-diethanolamino-6-(2,5-disulfophenylamino)-1,3,5-triazin-2-yl) amino]stilbene-2,2′-disulfonic acid. / Barek, Jiří; Hrnčíř, Roman; Moreira, Josino C.; Zima, Jiří.

В: Collection of Czechoslovak Chemical Communications, Том 61, № 5, 01.05.1996, стр. 663-672.

Результат исследований: Материалы для журналаСтатья

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abstract = "The polarographic and voltammetric behaviour was studied for 4,4′-bis[(4-diethanolamino-6-(2,5-disulfophenylamino)-1,3,5-triazin-2-yl) amino]stilbene-2,2′-disulfonic acid, which is the basis of many commercial optical whitening agents. The optimum conditions were found for quantitation of this substance in tetraethylammonium bromide solutions in dimethylformamide containing 5{\%} (v/v) water using TAST polarography, differential pulse polarography, linear sweep voltammetry at a hanging mercury drop electrode, and differential pulse voltammetry at a hanging mercury drop electrode over the concentration regions of 100-500, 10-500, 10-500, and 1-100 μmol 1-1, respectively. The practical applicability of the new analytical methods to the determination of the substance in technical products was verified.",
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AU - Barek, Jiří

AU - Hrnčíř, Roman

AU - Moreira, Josino C.

AU - Zima, Jiří

PY - 1996/5/1

Y1 - 1996/5/1

N2 - The polarographic and voltammetric behaviour was studied for 4,4′-bis[(4-diethanolamino-6-(2,5-disulfophenylamino)-1,3,5-triazin-2-yl) amino]stilbene-2,2′-disulfonic acid, which is the basis of many commercial optical whitening agents. The optimum conditions were found for quantitation of this substance in tetraethylammonium bromide solutions in dimethylformamide containing 5% (v/v) water using TAST polarography, differential pulse polarography, linear sweep voltammetry at a hanging mercury drop electrode, and differential pulse voltammetry at a hanging mercury drop electrode over the concentration regions of 100-500, 10-500, 10-500, and 1-100 μmol 1-1, respectively. The practical applicability of the new analytical methods to the determination of the substance in technical products was verified.

AB - The polarographic and voltammetric behaviour was studied for 4,4′-bis[(4-diethanolamino-6-(2,5-disulfophenylamino)-1,3,5-triazin-2-yl) amino]stilbene-2,2′-disulfonic acid, which is the basis of many commercial optical whitening agents. The optimum conditions were found for quantitation of this substance in tetraethylammonium bromide solutions in dimethylformamide containing 5% (v/v) water using TAST polarography, differential pulse polarography, linear sweep voltammetry at a hanging mercury drop electrode, and differential pulse voltammetry at a hanging mercury drop electrode over the concentration regions of 100-500, 10-500, 10-500, and 1-100 μmol 1-1, respectively. The practical applicability of the new analytical methods to the determination of the substance in technical products was verified.

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KW - Optical brightening agents

KW - Polarography

KW - Voltammetry

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