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Abstract

DETERMINATION OF TOXIC LEAD (II)AND CADMIUM (II) BY POLAROGRAPHIC METHODS

*M.V.Naga Varaprasad Gupta1, P. Mallikarjuna2

1Bala Shva Degree College, Kurnool, India.
2Brindavan Institute of Technology and Science, Kurnool, India.

ABSTRACT

Polarographic behaviour of metal ions Lead and Cadmium using Schiff base 2–Hydroxy–5–methoxy Benzaldehyde – Tris [HMBT] Ligand is a new method have not been used so far for the determination of Lead and Cadmium in trace quantities. Effect of pH on wave height for LEAD-[HMBT] cadmium –[HMBT] systems have been studied at pH 5 -8.5 and 7-11 for lead and cadmium respectively in 0.1 m molar NaNo3 and 0.002 % Triton –x–100. Effect of Ligand concentration on lead and cadmium have been studied at PH 8.5 for lead and cadmium, Effect of height of mercury column on LEAD-[HMBT] cadmium –[HMBT] at PH 8.5 , Effect of Lead ion concentration and cadmium ion concentration on the wave height at PH 8.5 have been studied.

Keywords: polarographic ,lead ,cadmium ,HMBT ligand.


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