Study of heavy metals in Madeira wine by total reflection x-ray fluorescence analysis

被引：0
|
作者：
Carvalho, ML [1 ]
Barreiros, MA [1 ]
Costa, MM [1 ]
Ramos, MT [1 ]
Marques, MI [1 ]
机构：
[1] INST TECNOL AMBIENTAIS,P-1699 LISBON,PORTUGAL
来源：
X-RAY SPECTROMETRY | 1996年 / 25卷 / 01期
关键词：
D O I：
10.1002/(SICI)1097-4539(199601)25:1<29::AID-XRS134>3.0.CO;2-Z
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
The suitability and high sensitivity of total-reflection x-ray fluorescence analysis (TXRF) were used for multielement analysis of several species of Madeira wine taken directly from the usual glass Bottles. In addition, the uptake of lead by Madeira wine kept in a crystal vessel (30% lead) as a function of time was also studied. The detection limits were in the range 0.001-0.10 mg l(-1) and the precision was in the range 5-10%. The organic matrix of the wine was removed by wet digestion in nitric acid.
引用
收藏
页码：29 / 32
页数：4
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