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Analytical application of m-chlorophenylazo-bis-acetoxime (m-CPABA) in the spectrophotometric determination of Nickel (I

Analytical application of m-chlorophenylazo-bis-acetoxime (m-CPABA) in the spectrophotometric determination of Nickel (I

m-Chlorophenylazo-bis-acetoxime has been used for spectrophotometric determination of nickel (II) at 376 nm and a pH of 7.0-8.0. Beer‘s law is obeyed in the range of (2.0-16.0) × 10-5 M. The molar absorptivity and Sandell’s sensitivity values are 3,691 L mol-1 cm -1 and 15.90 ng cm-2 respectively. Log β is determined by two different method i.e. Harvey and Manning‘s method and Purohit‘s method and the values of it are 12.93 and 13.23 respectively. Hydroxytriazenes have been used as analytical reagents for a number of transition metals. Similar compounds arylazobis-acetoximes developed by Bamberger and subsequently used by Sogani & Bhattacharaya as spectrophotometric reagents for determination of various transition metals such as cobalt, iron and copper. In the present paper m-chlorophenylazo-bis-acetoxime (m-CPABA) has besen used for spectrophotometric determination of nickel (II).

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69 views • 5 slides
Analytical application of m-chlorophenylazo-bis-acetoxime (m-CPABA) in the spectrophotometric determination of Nickel (I

Analytical application of m-chlorophenylazo-bis-acetoxime (m-CPABA) in the spectrophotometric determination of Nickel (I

m-Chlorophenylazo-bis-acetoxime has been used for spectrophotometric determination of nickel (II) at 376 nm and a pH of 7.0-8.0. Beer‘s law is obeyed in the range of (2.0-16.0) × 10-5 M. The molar absorptivity and Sandell’s sensitivity values are 3,691 L mol-1 cm -1 and 15.90 ng cm-2 respectively. Log β is determined by two different method i.e. Harvey and Manning‘s method and Purohit‘s method and the values of it are 12.93 and 13.23 respectively. Hydroxytriazenes have been used as analytical reagents for a number of transition metals. Similar compounds arylazobis-acetoximes developed by Bamberger and subsequently used by Sogani & Bhattacharaya as spectrophotometric reagents for determination of various transition metals such as cobalt, iron and copper. In the present paper m-chlorophenylazo-bis-acetoxime (m-CPABA) has besen used for spectrophotometric determination of nickel (II).

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78 views • 5 slides

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