determination of thorium(iv) with rifampicin in synthetic mixture and soil samples by spectrophotometry

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ID: 131796
2016
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Abstract
A validated spectrophotometric method has been described for the determination of thorium(IV) in synthetic mixture and soil samples. The method is based on the complexation of thorium(IV) with rifampicin at room temperature which absorbs maximally at 525 nm. Beer's law is obeyed in the concentration range 1.16–23.2 μg mL−1 with apparent molar absorptivity and Sandell's sensitivity of 8.23 × 103 L mol−1 cm−1 and 0.0232 μg/cm2/0.001 absorbance unit, respectively. The influence of variables was investigated and optimized. Interference due to other metal ions was studied and the tolerance limit was achieved. The proposed method was applied to the analysis of thorium(IV) in a synthetic mixture containing various other metal ions and in soil samples. The results of analyses of the proposed method were statistically compared with the reference method showing acceptable recovery and precision.
Reference Key
lutfullah2016arabiandetermination Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Lutfullah;Saurabh Sharma;Nafisur Rahman;Syed Najmul Hejaz Azmi
Journal Behavioural brain research
Year 2016
DOI
10.1016/j.arabjc.2011.12.001
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