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Zeeman Effect Electrothermal Atomic Absorption of Arsenic with Platinum as a Matrix Modifier

 

作者: Yin Fang,   Gan Wuer,   Wei Fushen,  

 

期刊: Analytical Letters  （Taylor Available online 1985）
卷期: Volume 18, issue 10  

页码: 1245-1250

 

ISSN:0003-2719

 

年代: 1985

 

DOI:10.1080/00032718508066206

 

出版商: Taylor & Francis Group

 

关键词: Analysis;Arsenic;ET-AAS;Pollution control;River sediment

 

数据来源: Taylor

 

摘要:

Since the charring temperature of As in environmental samples can be raised to 1320°C with Pt, the sensitivity of determining As by ET-AAS is increased about 50% using Ni salt as a matrix modifier. The interference of most foreign ions is avoided, but PO˭and SO≡cause a depression and F−and SiO˭produce an enhancement of the As absorption. The method has been applied to pollution control and river sediment samples with satisfactory results.

 

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