Journal of Chemical and Pharmaceutical Research (ISSN : 0975-7384)

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Original Articles: 2014 Vol: 6 Issue: 3

Determination of neodymium by fading spectrophotometry

Abstract

In an 80 ℃ water bath, Nd3+ can catalyze decoloration reaction of ponceau S by H2O2 oxidation. Based on this, a fading spectrophotometric new method for the determination of neodymium was put forward. The maximum absorption wavelength of the system is 450 nnm and at this wavelength there is a good linear relationship between a concentration of 0.2 ~ 4 μ g / mL of Nd3+ and the absorbance difference. The method has been applied to the determination of neodymium in molecular sieve.

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