Volume 20 No 22 (2022)
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SENSITIVE AND HIGHLY SELECTIVE SPECTROPHOTOMETRY METHOD FOR DETERMINATION OF NICKEL
Nilima Das, Dr. Seema Agrawal
Abstract
The precise measurement of trace metal ions is crucial to many fields, including analytical chemistry, environmental monitoring, and industrial processes. Conventional spectrophotometric analysis has limitations that can be circumvented by using nickel (II) ion complexes with an appropriate complexing agent. The use of nicotinohydroxamic acid (NHA) in a phosphate-borax buffer media at pH 9.0 was investigated as a potential spectrophotometric technique for assessing nickel (II). With a molar absorptivity of 1.37 104 L mol-1 cm-1 at 530 nm, Beer's law absorption spectra were seen for the sensitized compound throughout a nickel (II) concentration range of 0.43-8.56 g mL-1. Nickel and N-hydroxyacetic acid made up around half of the molar ratio in the sensitive combination. Scientists looked at the potential impact of different ions.
Keywords
Metal, Nickel, Absorption, Reagent,
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