In:
Heavy metals and arsenic concentrations in water, agricultural soil, and rice in Ngan Son district, Bac Kan province, Vietnam, Vietnamese Journal of Food Control, National Institute for Food Control, Vol. 2, No. 4 ( 2019-09-12), p. 42-48
Abstract:
A rapid, simply and effective method using ultra & shy;performance liquid chromatography coupled to mass spectrometry (MS) detection was developed in order to determine sibutramine and phenolphthalein in weight & shy;loss tea, coffee, and milk. QuEChERS technique was used for cleaning & shy;up sample matrices. The extracts were separated on C18 LC columns using the gradient elution of 0.1% formic acid in distilled water and acetonitrile. The recoveries at the concentration of 50 & micro;g/kg were from 90.1 to 105.8% (with RSDR of 4.04 & shy; 4.24%), from 91.9 to 100.2% (with RSDR of 3.20 & shy; 4.71%), and from 86.5 to 100.5% (with RSDR of 5.17 & shy; 5.49%) for weight & shy;loss tea, coffee, and milk, respectively. Method quantitation limits were of 30 & micro;g/kg.
Type of Medium:
Online Resource
ISSN:
2615-9252
DOI:
10.47866/2615-9252/vjfc.88
Language:
Unknown
Publisher:
Vietnamese Journal of Food Control, National Institute for Food Control
Publication Date:
2019