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Lanthanum as a matrix modifier to eliminate interference in molybdenum analysis of feedstuffs by graphite furnace atomic absorption spectroscopy1

 

作者: T.F. Brown,   L.K. Zeringue,  

 

期刊: Communications in Soil Science and Plant Analysis  （Taylor Available online 1988）
卷期: Volume 19, issue 2  

页码: 167-181

 

ISSN:0010-3624

 

年代: 1988

 

DOI:10.1080/00103628809367929

 

出版商: Taylor & Francis Group

 

关键词: Molybdenum;Atomic Absorption;Graphite Furnace;Feedstuffs;Matrix Modifiers;Lanthanum

 

数据来源: Taylor

 

摘要:

Phosphate and sulfate were shown to interfere in the analysis of aqueous molybdenum (Mo) standards by graphite furnace atomic absorption spectroscopy (GFAAS) when either peak area or peak height was used to measure absorption signals. Lanthanum (La) addition to the standards eliminated interferences from PO4=and SO4=when absorption signals were measured as peak area but not when measured as peak height.

 

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