N. G. S. Al-Tayar

simple and sensitive spectrophotometric method for the determination of trace mounts of nitrite in environmental and biological samples using-amino-5-hydroxynaphthalene-2 , 7-disulphonic acid monosodium salt

A. Shrestha, A. Shivakumar, P. Nagaraja, 2010 .

Spectrophotometric Determination of the Trace Amount of Thallium in Water and Urine Samples by Novel Oxidative Coupling Reaction

A. Shivakumar, P. Nagaraja, Avinash K. Gowda, 2009 .

A spectrophotometric assay method for vanadium in biological and environmental samples using 2,4-dinitrophenylhydrazine with imipramine hydrochloride

P. Nagaraja, R. Vasantha, N. G. S. Al-Tayar, 2011, Environmental Monitoring and Assessment.