Determination of the Total Content of Arsenic, Antimony, Selenium and Mercury in Chinese Herbal Food by Chemical Vapor Generation-Four-Channel Non-dispersive Atomic Fluorescence Spectrometry.
J Fluoresc
; 30(4): 949-954, 2020 Jul.
Article
em En
| MEDLINE
| ID: mdl-32548704
ABSTRACT
Food security is related to safe and nutritious food which meets people's dietary needs and food preferences for an active and healthy life. A simple and feasible method was proposed for the simultaneous analysis of trace arsenic (As), antimony (Sb), selenium (Se) and mercury (Hg) in Chinese herbal food by chemical vapor generation coupled non-dispersive atomic fluorescence spectrometry (CVG-NDAFS) in this paper. The operating parameters, such as observation height, carrier and shield gas flow rate, were optimized. The detection limits were obtained under optimal conditions, which were 0.051, 0.034, 0.050 and 0.0058 ng mL-1, respectively for As, Sb, Se and Hg. The relative standard deviations were 0.42%, 0.74%, 0.97% and 1.0% (n = 7), respectively (10 ng mL-1of As, Sb, Se and 1 ng ml-1of Hg). The proposed method is verified to simultaneously determine As, Sb, Se and Hg for Chinese herbal food.
Palavras-chave
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Arsênio
/
Selênio
/
Medicamentos de Ervas Chinesas
/
Contaminação de Alimentos
/
Mercúrio
/
Antimônio
País/Região como assunto:
Asia
Idioma:
En
Revista:
J Fluoresc
Ano de publicação:
2020
Tipo de documento:
Article