| dc.creator |
Martelli Patrícia B. |
|
| dc.creator |
Reis Boaventura F. |
|
| dc.creator |
Zagatto Elias A.G. |
|
| dc.creator |
Lima José L.F.C. |
|
| dc.creator |
Lapa Rui A. |
|
| dc.date |
1998 |
|
| dc.date.accessioned |
2013-05-30T10:47:10Z |
|
| dc.date.available |
2013-05-30T10:47:10Z |
|
| dc.date.issued |
2013-05-30 |
|
| dc.identifier |
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40421998000200005 |
|
| dc.identifier |
http://www.doaj.org/doaj?func=openurl&genre=article&issn=01004042&date=1998&volume=21&issue=2&spage=133 |
|
| dc.identifier.uri |
http://koha.mediu.edu.my:8181/jspui/handle/123456789/4190 |
|
| dc.description |
The construction of a tubular hydrogen ion-selective potentiometric electrode without inner reference solution, based on the tridodecylamine (TDDA) ionophore, and its evaluation in a flow system are described. TDDA was dissolved in 2-nitrophenyl octyl ether, dispersed in a PVC membrane and applied directly to a conducting support which consisted of an epoxy resin and graphite mixture. The electrode was designed with a tubular geometry to effort facilities to be coupled as part of a flow injection network. The main working characteristics such as response time, linear pH range, selectivity and life time were evaluated and compared with those obtained which a conventionally shaped electrode based on the same sensor. The electrode showed a slope of 51-52 mV dec-1 within a linear pH range from 4.0 up to 12.0. |
|
| dc.publisher |
Sociedade Brasileira de Química |
|
| dc.source |
Química Nova |
|
| dc.subject |
tubular pH electrode |
|
| dc.subject |
flow analysis |
|
| dc.subject |
tridodecylamine |
|
| dc.title |
Construção e avaliação de um eletrodo tubular sensível ao íon hidrogênio como detector em sistemas de análise em fluxo |
|