Spectrophotometric determination of trac
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Takashi Tomiyasu; Yoshiko Taga; Hayao Sakamoto; Norinobu Yonehara
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Article
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1996
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Elsevier Science
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English
β 460 KB
A catalytic spectrophotometric method for the determination of trace amounts of bromide is proposed. In acidic solution 4,4'-bis(dimethylamino)diphenylmethane (tetrabase) is oxidized by chloramine T to form a blue compound, which is further oxidized to a greenish-yellow compound. The reaction is acc