Optimization of a Digestion Method Using Diluted Acid in Bee Pollen Samples for Determination of Fe, Mn, and Zn by Flame Atomic Absorption Spectrometry

2016 ◽  
Vol 10 (3) ◽  
pp. 759-763 ◽  
Author(s):  
Jean S. Siqueira ◽  
João B. Pereira ◽  
Michelle S. Lemos ◽  
Heronides A. Dantas Filho ◽  
Kelly G. Fernandes Dantas
Keyword(s):  
Atomic Absorption Spectrometry ◽  
Atomic Absorption ◽  
Flame Atomic Absorption Spectrometry ◽  
Absorption Spectrometry ◽  
Digestion Method ◽  
Bee Pollen ◽  
Flame Atomic Absorption

Determination of Trace Copper in Vanadium Alloy by Flame Atomic Absorption Spectrometry

2015 ◽  
Vol 1120-1121 ◽  
pp. 1395-1398
Author(s):  
Qiang Yang ◽  
Guang Ping Tang ◽  
Lun Fu Tian ◽  
Qi Long Wei ◽  
Chao Wang
Keyword(s):  
Atomic Absorption Spectrometry ◽  
Atomic Absorption ◽  
Flame Atomic Absorption Spectrometry ◽  
Standard Addition ◽  
Absorption Spectrometry ◽  
Vanadium Alloy ◽  
Digestion Method ◽  
Matrix Interferences ◽  
Flame Atomic Absorption

The determination method for analyzing trace copper in vanadium alloy by flame atomic absorption spectrometry was investigated in the paper. The sample digestion method, digestion acidity, determination conditions, matrix interferences, method precision, recovery of standard addition were investigated in detail. The method precision in RSD% was 8.6%, and the average recoveries of standard addition were from 93.9% to 95.6%. The experimental results indicated that the proposed method for determination of trace copper in vanadium alloy was simple, fast, accurate, and easy to operate, which was suitable for quality control of vanadium alloy.

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