Effect of expired Oxazepam medicine on the corrosion of carbon steel in 5 % NaCl solution: An experimental approach towards mitigation of dissolution process

Document Type : Original Article

Author

Department of Chemistry, K.L.E. Society's P. C. Jabin Science College (Autonomous) Vidyanagar, Hubballi-580031, India.

Abstract

The optimal protection efficiency of expired Oxazepam product for carbon steel in the 5 % NaCl solution was successfully achieved through weight loss (mass loss), gasometric, colorimetry, atomic absorption spectroscopy (AAS) and scanning electron microscopy (SEM) techniques. The results showed that, the inhibitory behavior of expired Oxazepam drug enhances with a rise in the expired product amounts (four different concentrations), but this property (corrosion inhibition property of expired Oxazepam drug) is inversely related to the contact time (2, 4, 6, 8 and 10 h). Gasometric results exhibited that, disintegration process reduced in the presence of corrosion inhibitor (expired Oxazepam drug) compared to the bare system (unprotected solution). Both atomic absorption spectroscopy and colorimetric studies revealed that, expired Oxazepam drug possesses the indices of robust corrosion inhibitor on the surface of aluminum in the 5 % NaCl solution. The surface study was screened by scanning electron microscopy (SEM) technique and discussed. 

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References

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Frontiers in Chemical Research
Volume 1, Issue 1 - Serial Number 1
Summer and Autumn 2019
Pages 1-4

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History

  • Receive Date: 18 April 2019
  • Revise Date: 16 May 2019
  • Accept Date: 23 May 2019

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