Puri, B. K.Pancras, J. Patrick2000-06-262024-10-291999http://10.17.50.146:4000/handle/123456789/919Analytic chemistryTrace determination of some toxic metals in complex samples after solid phase extraction as their metal-2-(5-Bromo-2 Pyridylazo)-5-diethylaminophenolatesThesis