p-Phenylenediamine-modified graphene oxide as a sorbent for solid-phase extraction of phenylurea herbicides, nitroimidazoles, chlorophenols, phenylurea insecticides and phthalates.
Amination modification
Diazonium reaction
High performance liquid chromatography
Leaf lettuces
Surface chemistry
Journal
Mikrochimica acta
ISSN: 1436-5073
Titre abrégé: Mikrochim Acta
Pays: Austria
ID NLM: 7808782
Informations de publication
Date de publication:
22 06 2019
22 06 2019
Historique:
received:
13
02
2019
accepted:
13
06
2019
entrez:
24
6
2019
pubmed:
24
6
2019
medline:
24
6
2019
Statut:
epublish
Résumé
Graphene oxide was covalently modified with p-phenylenediamine via a diazonium reaction. The resulting material was employed as a sorbent for the solid-phase extraction of six phenylurea herbicides (metoxuron, monuron, chlortoluron, isoproturon, monolinuron, and buturon) from environmental water and lettuce leafs. Some key factors that influence the extraction efficiency were studied, including sample loading rate, sample pH, and desorption conditions. Following desorption with acetonitrile, the analytes were quantified by HPLC with UV detection. Under optimized conditions, response to phenylurea herbicides is linear in the 2.0-100 ng mL
Identifiants
pubmed: 31230150
doi: 10.1007/s00604-019-3606-3
pii: 10.1007/s00604-019-3606-3
doi:
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
464Subventions
Organisme : National Natural Science Foundation of China
ID : 31671930
Pays : International
Organisme : National Natural Science Foundation of China
ID : 31571925
Pays : International
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