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Title: 2,4,6-Tris(1-hydroxy-4-sulphonaphthyl-2-azo)pyrimidine as a regent for the determination of the indium in its alloys
Authors: Singh, Ishwar
Saini, Rakesh
Issue Date: May-1994
Publisher: NISCAIR-CSIR, India
Abstract: The sodium salt of 2,4,6-tris(1-hydroxy-4-sulpho-naphthyl-2-azo) pyrimidine gives a 1:1 pink coloured complex with indium (III) at pH 4.0-5.5 absorbing maximum at 560 nm. The Sandell's sensitivity of the colour reaction is 3.15 ng In(III) cm-2. In(III) has been determined in synthetic samples corresponding to mineral cylindrite and some indium alloys.
Page(s): 440-441
ISSN: 0975-0975(Online); 0376-4710(Print)
Appears in Collections:IJC-A Vol.33A(05) [May 1994]

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