Title: Determination of Trace Aluminium(III)by Inhibition Catalysis of CTMAB on Discoloring Crystal Violet Spectrophotometry
Abstract:A new inhibition\|catalysis spectrophotometry for the determination of trace Al(Ⅲ)was developed.The method is based on the remarkable inhibitory effect of Al(Ⅲ)on the catalysis action of cetyltrimethy...A new inhibition\|catalysis spectrophotometry for the determination of trace Al(Ⅲ)was developed.The method is based on the remarkable inhibitory effect of Al(Ⅲ)on the catalysis action of cetyltrimethylammonium bromide(CTMAB) in discoloration reaction of crystal violet in a basic medium.Beer's law is obeyed in the range of 0.02_1.8μg/L with a linear regression equation Δ A=0.00293+0.2179C Al(Ⅲ) (μg/L)( r =0.9990) and the detection limit is 1.4×10 -9 g/mL.The method was applied successfully to the determination of Al(Ⅲ) in water samples.Read More
Publication Year: 2001
Publication Date: 2001-01-01
Language: en
Type: article
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