Media type: E-Article Title: Spectrophotometric determination of tantalum with 4,5-dibromo- o -nitrophenylfluorone Contributor: Wu, Zheng; Hu, Zhaosheng; Jia, Xiping Published: Elsevier BV, 1990 Published in: Analytica Chimica Acta, 231 (1990), Seite 101-106 Language: English DOI: 10.1016/s0003-2670(00)86402-8 ISSN: 0003-2670 Origination: Footnote: