Chemometric study of differential kinetic analysis by the method of proportional equations

Liang Xu, Israel Schechter*, Guoqiang Li, Zhicheng Gu

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

Kinetic analysis by the method of proportional equations is widely used; this study provides the chemometric basis of some of the general knowledge in this field. Analytical expressions for optimum measurement time and minimum rate constant ratio as a function of the accepted error are derived. Both kinetic schemes, of monitoring the reactants and products, are considered and compared. It is shown that the selection of optimum time is critical only when rate constant ratio is close to unity, and quantitative criteria are provided.

Original languageEnglish
Pages (from-to)195-202
Number of pages8
JournalAnalytica Chimica Acta
Volume322
Issue number3
DOIs
StatePublished - 10 Apr 1996
Externally publishedYes

Keywords

  • Chemometrics
  • Differential kinetic methods
  • Kinetic analysis
  • Proportional equations
  • Rate constant ratio

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