Spectrophotometric determination of mn(II) with 1-(2-quinolylazo)-2,4,5- trihydroxybenzene and microdetermination of mn in foodstuffs.
A method is described for the spectrophotometric determination of manganese in foodstuffs by means of its complex with 1-(2-quinolylazo)-2,4,5-trihydroxybenzene, formed in alkaline medium. The molar absorptivity of the complex is 4.6 x 10(4) l.mole(-1).cm(-1).
Singh
I
I
Department of Chemistry, Maharshi Dayanand University, Rohtak 124001, India.
Mrs Poonam