Abstract
The polarographic behaviour of N,N-dimethyl-4-amino-4′-sulfoazobenzene was investigated by tast polarography and differential pulse polarography at a dropping mercury electrode, constant-potential coulometry at a large area mercury electrode and cyclic voltammetry at a hanging mercury drop electrode. Optimum conditions have been found for its determination by tast polarography in the concentration range of 2-100 μmol l-1, differential pulse polarography at a dropping mercury electrode in the concentration range of 0.2-100 μmol l-1 and by differential pulse voltammetry at a hanging mercury drop electrode in the concentration range of 0.02-10 μmol l-1. The sensitivity of the determination can be further improved by adsorptive accumulation of the test substance on the hanging mercury drop electrode. Three-minute accumulation in stirred solution allows determination in the range of 0.2-100 nmol l-1.
| Original language | English |
|---|---|
| Pages (from-to) | 597-608 |
| Number of pages | 12 |
| Journal | Collection of Czechoslovak Chemical Communications |
| Volume | 62 |
| Issue number | 4 |
| DOIs | |
| Publication status | Published - 1 Jan 1997 |
| Externally published | Yes |
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Keywords
- N,N-dimethyl-4-amino-4′-sulfoazobenzene
- Polarography
- Voltammetry
ASJC Scopus subject areas
- Chemistry(all)
Cite this
Polarographic and voltammetric determination of N,N-dimethyl-4-amino-4′-sulfoazobenzene. / Barek, Jiří; Hai, Pham Tuan; Mejstri'k, Viktor; Moreira, Josino C.; Zima, Jiří.
In: Collection of Czechoslovak Chemical Communications, Vol. 62, No. 4, 01.01.1997, p. 597-608.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Polarographic and voltammetric determination of N,N-dimethyl-4-amino-4′-sulfoazobenzene
AU - Barek, Jiří
AU - Hai, Pham Tuan
AU - Mejstri'k, Viktor
AU - Moreira, Josino C.
AU - Zima, Jiří
PY - 1997/1/1
Y1 - 1997/1/1
N2 - The polarographic behaviour of N,N-dimethyl-4-amino-4′-sulfoazobenzene was investigated by tast polarography and differential pulse polarography at a dropping mercury electrode, constant-potential coulometry at a large area mercury electrode and cyclic voltammetry at a hanging mercury drop electrode. Optimum conditions have been found for its determination by tast polarography in the concentration range of 2-100 μmol l-1, differential pulse polarography at a dropping mercury electrode in the concentration range of 0.2-100 μmol l-1 and by differential pulse voltammetry at a hanging mercury drop electrode in the concentration range of 0.02-10 μmol l-1. The sensitivity of the determination can be further improved by adsorptive accumulation of the test substance on the hanging mercury drop electrode. Three-minute accumulation in stirred solution allows determination in the range of 0.2-100 nmol l-1.
AB - The polarographic behaviour of N,N-dimethyl-4-amino-4′-sulfoazobenzene was investigated by tast polarography and differential pulse polarography at a dropping mercury electrode, constant-potential coulometry at a large area mercury electrode and cyclic voltammetry at a hanging mercury drop electrode. Optimum conditions have been found for its determination by tast polarography in the concentration range of 2-100 μmol l-1, differential pulse polarography at a dropping mercury electrode in the concentration range of 0.2-100 μmol l-1 and by differential pulse voltammetry at a hanging mercury drop electrode in the concentration range of 0.02-10 μmol l-1. The sensitivity of the determination can be further improved by adsorptive accumulation of the test substance on the hanging mercury drop electrode. Three-minute accumulation in stirred solution allows determination in the range of 0.2-100 nmol l-1.
KW - N,N-dimethyl-4-amino-4′-sulfoazobenzene
KW - Polarography
KW - Voltammetry
UR - http://www.scopus.com/inward/record.url?scp=0040098287&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=0040098287&partnerID=8YFLogxK
U2 - 10.1135/cccc19970597
DO - 10.1135/cccc19970597
M3 - Article
AN - SCOPUS:0040098287
VL - 62
SP - 597
EP - 608
JO - Collection of Czechoslovak Chemical Communications
JF - Collection of Czechoslovak Chemical Communications
SN - 0010-0765
IS - 4
ER -