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2004•Chemical Research and ApplicationRequires access

Spectrophotmetric determination of trace amount of aluminum in soldium carbonate and water samples

Qing-Zhou Zhai

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Abstract

In an acetic acid-sodium acetate buffer solution of pH4.7,aluminium(Ⅲ)reacts with DBC-chlorophosphonazo to form a violet blue complex.The composition of the complex is 1∶1.The maximum absorption of the complex exhibits at 620 nm and the molar absorptivity is 1.38×10~4 L·mol~(-1)·cm~(-1).Beer's law is obeyed over the range of 0—35 μg of aluminium per 25 mL solution.The method was used in the determination of trace amout of aluminium in sodium carbonate and water samples with satisfactory results.

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In an acetic acid-sodium acetate buffer solution of pH4.7,aluminium(Ⅲ)reacts with DBC-chlorophosphonazo to form a violet blue complex.The composition of the complex is 1∶1.The maximum absorption of the complex exhibits at 620 nm and the molar absorptivity is 1.38×10~4 L·mol~(-1)·cm~(-1).Beer's law is obeyed over the range of 0—35 μg of aluminium per 25 mL solution.The method was used in the determination of trace amout of aluminium in sodium carbonate and water samples with satisfactory results.

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Available abstract

In an acetic acid-sodium acetate buffer solution of pH4.7,aluminium(Ⅲ)reacts with DBC-chlorophosphonazo to form a violet blue complex.The composition of the complex is 1∶1.The maximum absorption of the complex exhibits at 620 nm and the molar absorptivity is 1.38×10~4 L·mol~(-1)·cm~(-1).Beer's law is obeyed over the range of 0—35 μg of aluminium per 25 mL solution.The method was used in the determination of trace amout of aluminium in sodium carbonate and water samples with satisfactory results.

Key concepts: Molar absorptivity, Sodium carbonate, Chemistry, Aluminium, Acetic acid, Buffer solution, Carbonate, Nuclear chemistry

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