N. Venkateswara Rao, A. B. Avadhanulu
1977
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Journal
Fresenius' Zeitschrift für analytische Chemie
Abstract
Recently we have reported the use of four oxazine dyes, Capri Blue (CB), Solochrome Prune AS (SPAS), Gallamine Blue (GB) (Colour Index Nos. 51015, 51040 and 51045, respectively) and Cresyl Fast Violet Acetate (CFVA) as redox indicators in cerimetry [1]. Our investigations have now shown that these four oxazine dyes can also be used as redox indicators in the titration of iron(II), arsenic(III), vanadium(IV), uranium(IV), molybdenum(V) and hydroquinone with ammonium hexanitratocerate(IV) in perchloric and nitric acid media.