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Spectrophotometric Determination of Aluminium () with 4(Hacidazo) 1phenyl3Methylpyrazolone

Guangyu Yang

Abstract

he color reaction of 4(Hacidazo) 1phenyl3methylpyazolone(HAPMP) with aluminium() was studied.In pH4.6 HAcNaAc buffer solution and CTMAB medium,HAPMP reacts with Al() to form a 21 stable red complex.The molar absorptivity is 1.34105Lmol-1cm-1 at 555nm.Beer's law is obeyed in the range of 03.5g Al/25mL.This method has been applied to the determination of aluminium in water with satisfactory results.

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Key concepts: Molar absorptivity, Chemistry, Aluminium, Color reaction, Spectrophotometry, Buffer solution, Nuclear chemistry, Analytical Chemistry (journal)