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Transient phase

Term · Chemistry · MLC-T-CHM-012225

The period at the start of a reaction, before a steady state is reached, while a reactive intermediate accumulates, its concentration climbing from zero to the steady-state value. Rate expressions based on the steady-state approximation do not apply until this period has ended, and the overall stoichiometric equation can fail to describe the changes in amount while it lasts.

Table 1. Record
IdentifierMLC-T-CHM-012225
FieldChemistry
SubjectPhysical and Biophysical Chemistry
Synonymsinduction period
ReferencesPAC, 1996, 68, 149. 'A glossary of terms used in chemical kinetics, including reaction dynamics (IUPAC Recommendations 1996)' on page 189 (https://doi.org/10.1351/pac199668010149)
See alsoSteady state
Record as JSON 
{
  "id": "MLC-T-CHM-012225",
  "term": "Transient phase",
  "field": "Chemistry",
  "definition": "The period at the start of a reaction, before a steady state is reached, while a reactive intermediate accumulates, its concentration climbing from zero to the steady-state value. Rate expressions based on the steady-state approximation do not apply until this period has ended, and the overall stoichiometric equation can fail to describe the changes in amount while it lasts.",
  "synonyms": [
    "induction period"
  ],
  "subject": "Physical and Biophysical Chemistry",
  "see_also": [
    "steady state"
  ],
  "references": [
    "PAC, 1996, 68, 149. 'A glossary of terms used in chemical kinetics, including reaction dynamics (IUPAC Recommendations 1996)' on page 189 (https://doi.org/10.1351/pac199668010149)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/transient-phase/"
}

Record 13,034 of 13,676 in Chemistry terminology (MLC-0109). Request the full dataset.