Study of the chemical passivation of iron by phosphonates

A. Veres, G. Reinhard, E. Kálmán

Research output: Contribution to journalArticle

Abstract

The effect of some phosphonic acids (HMEP, NTMP, HEDP) on the chemical passivation of iron by dissolved oxygen in neutral aqueous solutions has been investigated. It has been shown that in the presence of phosphonic acids chemical passivation cannot be attained. This effect is due to the formation of soluble complexes as could be shown by the stability constants determined.

Original languageEnglish
Pages (from-to)28-32
Number of pages5
JournalMaterials and Corrosion
Volume43
Issue number1
DOIs
Publication statusPublished - 1992

ASJC Scopus subject areas

  • Environmental Chemistry
  • Mechanics of Materials
  • Mechanical Engineering
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Materials Chemistry

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