Spectrophotometric Determination of Al(III) in Environment Water with p-Carboxyarsenazo

Lin Gao; Bo Yan; Fang Chen; Jun Long Yao

doi:10.4028/www.scientific.net/AMR.830.363

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 830Spectrophotometric Determination of Al(III) in...

Spectrophotometric Determination of Al(III) in Environment Water with p-Carboxyarsenazo

Abstract:

Spectrophotometry determination of Al (III) with new color reagent p-Carboxyarsenazo(CAA) was reported, and the chromomeric reaction between CAA and Al (III) was studied. In a buffer medium of pH=4.6 HAc-NaAc, CAA reacts with Al (III) to form a red complex and exhibits an absorption maxima at 614nm; Beer,s law is obeyed for 0.10~0.80 μg/mL of Alumium in color solution, the color reaction exhibited high sensitivity (the apparent molar absorptivity obtained is 1.61×104 L/(mol.cm)), and the absorbance fit linear regression equation is A=0.0105+0.561X(μg/mL), the correlation coefficient is 0.9998, the detection limit of the method is 0.36 μg/L. The results obtained by this method in the determination of environment water samples were rapid, accurate and satisfactorily.

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Periodical:

Advanced Materials Research (Volume 830)

Pages:

363-366

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.830.363

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Online since:

October 2013

Authors:

Lin Gao, Bo Yan, Fang Chen, Jun Long Yao

Keywords:

Aluminium, Environment, p-Carboxyarsenazo, Spectrophotometry

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