WORLD JOURNAL OF ADVANCE
HEALTHCARE RESEARCH

( An ISO 9001:2015 Certified International Journal )

An International Peer Review Journal for Medical Science and Pharma Professionals

An Official Publication of Society for Advance Healthcare Research (Reg. No. : 01/01/01/31674/16)

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ISSN 2457-0400

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Indexing

  Indexing

  • Google Scholar
  • Index Copernicus
  • SOCOLAR, China
  • Research Bible, Fuchu, Tokyo. JAPAN
  • Cosmos Impact Factor
  • Scientific Indexing Services (SIS)
  • UDLedge Science Citation Index
  • International Impact Factor Services
  • International Society for Research Activity (ISRA) Journal Impact Factor (JIF)
  • IFSIJ Measure of Journal Quality
  • Scientific Journal Impact Factor (SJIF)
  • International Scientific Indexing, UAE (ISI) (Under Process)
  • International Impact Factor Services (IIFS)
  • Web of Science Group (Under Process)
  • Directory of Research Journals Indexing
  • Scholar Article Journal Index (SAJI)
  • International Scientific Indexing ( ISI )
  • Academia
  • Scope Database

Abstract

THERMODYNAMIC PROPERTIES OF SALICYLIC ACID AS CORROSION INHIBITOR OF CARBON STEEL IN HYDROCHLORIC ACID PICKLING ENVIRONMENT

Boshra Ahmed Abazid*, Deeb Bakir and Mohammad Ali Al-Shekh

ABSTRACT

The corrosion inhibition of carbon steel in 0.1 M HCl by salicylic acid (SA) was investigated using weight loss method in the temperature range of 313-343 K. It was found that the inhibition efficiency increases with an increase in (SA) concentration but decreases with an increase in temperature. It has been determined that the adsorption for the studied inhibitor on carbon steel complies with the Langmuir adsorption isotherm at all studied temperatures. Both kinetic parameters (activation energy, pre-exponential factor, enthalpy of activation and entropy of activation) and thermodynamics of adsorption (enthalpy of adsorption, entropy of adsorption and Gibbs free energy) were calculated and discussed.

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