Browsing by Author Reis, José Oscar N.
Showing results 1 to 2 of 2
| Issue Date | Title | Author(s) | Type |
| 2002 | Simultaneous Determination of Caffeine, Theobromine, and Theophylline by High-Performance Liquid Chromatography | Bispo, Márcia Sousa; Oliveira, Rodolfo F. S. de; Reis, José Oscar N.; Andrade, Jailson Bittencourt de; Veloso, Márcia Cristina da Cunha; Pinheiro, Heloísa Lúcia C. | Artigo de Periódico |
| 1998 | ICP–AES determination of small amounts of zinc in copper-base alloys after separation by adsorption of the zinc–TAN complex on Sep Pak C18 cartridges | Teixeira, Leonardo Sena Gomes; Reis, José Oscar N.; Costa, Antonio Celso Spinola; Ferreira, Sergio Luis Costa; Korn, Maria das Graças Andrade; Andrade, Jailson Bittencourt de | Artigo de Periódico |
