@article{paperid:1034666, author = {Ahmadzadeh, Hossein and A. Safavi and A. Massoumi}, title = {Spectrophotometric Determination of Osmium (VIII) WITH 1-HYDROXY 2- PYRIDINE - THIONE (SODIUM SALT) AS A REAGENT}, journal = {Journal of Sciences, Islamic Republic of Iran}, year = {1990}, volume = {1}, number = {4}, month = {July}, issn = {1016-1104}, pages = {266--269}, numpages = {3}, keywords = {Spectrophotometric determination; osmium (viii); 1-hydroxy 2-Pyridine - thione}, }