Capillary Electrophoresis Detection of Hydrogen Peroxide by Using Titanium Ion and 4-(2-thiazolylazo)resorcinol
International Journal of Oral Biology
;
: 197-201, 2017.
Artigo
em Inglês
| WPRIM
| ID: wpr-222398
ABSTRACT
A novel method for the detection of hydrogen peroxide in aqueous solution was developed via reaction between H₂O₂, trivalent titanium ion (Ti³⁺) and 4-(2-thiazolylazo) resorcinol (TAR), resulting in a ternary complex with a maximum UV absorbance at 530 nm. The CE detection of H₂O₂ was fast, sensitive and cost-effective without pretreatment procedures. H₂O₂ was detected within 15 min at 1 to 100 µM range with the lowest detection limit at 1.0 µM. Under the optimized CE conditions, the concentration of H₂O₂ in coffee or tea extract was quantitatively determined. Our results show that CE detection of the ternary complex of H₂O₂-Ti³⁺-TAR has potential applications for the detection of H2O2 in aqueous sources.
Texto completo:
DisponíveL
Índice:
WPRIM (Pacífico Ocidental)
Assunto principal:
Chá
/
Titânio
/
Capilares
/
Café
/
Eletroforese Capilar
/
Limite de Detecção
/
Hidrogênio
/
Peróxido de Hidrogênio
/
Métodos
Tipo de estudo:
Estudo diagnóstico
Idioma:
Inglês
Revista:
International Journal of Oral Biology
Ano de publicação:
2017
Tipo de documento:
Artigo
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