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Title: Spectrophotometric determination of mercury (II) with 5-(2'-carboxyphenyl) azo-8-quinolinol
Authors: Saran, R
Sardana, A K
Ramanaiah, G V
Issue Date: Jul-1994
Publisher: NISCAIR-CSIR, India
Abstract: 5-(2-Carboxyphenyl)azo-8-quinolinol forms a reddish violet complex with mercury(II) in aqueous medium at pH 4.4-6.5. The 2:1 (ligand to metal) complex is formed instantaneously, remains stable for at least 20 h and adheres to Beer's law in the range 0.03-0.18 ug of mercury(II) per mL. The molar absorptivity and Sandell's sensitivity of the method are 6.05 x 104 L mol-1 cm-1 and 0.003 mg cm-2, respectively, at 555 nm.
Page(s): 258-259
ISSN: 0975-0991 (Online); 0971-457X (Print)
Appears in Collections:IJCT Vol.01(4) [July 1994]

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