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Title: Spectrophotometric determination of nickel in alloys using 5-mercapto-3-methyl- 4-[2-pyridylideneamino]-1,2,4-triazole (MMPT)
Authors: Nazareth, Ronald A
Narayana, B
Issue Date: Mar-2003
Publisher: NISCAIR-CSIR, India
Abstract: A simple and rapid spectrophotometric method for the determination of nickel has been developed using 5-mercapto-3-methyl-4-[2-pyridylideneamino]-1 ,2,4-triazole (MMPT). The green coloured 1:2 complex formed shows the absorption maximum at 400 nm. The method is free from interference from many of the associated metal ions. It obeys the Beer's law in the range of 3 ppm to 11.5 ppm of Ni(II) with molar absorptivity and sandell sensitivity of 8.51 × 103 dm3/mol/cm-1 and 0.03 μg/cm2 respectively. Analyses of various alloys have been carried out with satisfactory and reproducible results.
Page(s): 564-567
ISSN: 0975-0975(Online); 0376-4710(Print)
Appears in Collections:IJC-A Vol.42A(03) [March 2003]

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