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The conditions for the formation of compounds of pyrogallol with molybdenum and tungsten

E. Plško

Slovak Academy of Sciences, Bratislava

 

Abstract: Spectrophotometrically it was shown that colored ions exist in the system pyrogallol (I) and Na2MoO4 or Na2WO4 (II) in aq. soln. at pH 6.0-8.0 with a ratio 2 I:II and at pH 3.5 for I:II. The dissocn. consts. for the Mo and W dipyrogallolates were calcd. to be 2.1 × 10-6 and 4.6 × 10-8, resp.

Full paper in Portable Document Format: 122a95.pdf (in Slovak)

 

Chemical Papers 12 (2) 95–101 (1958)

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