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mkin (version 1.2.6)

IORE.solution: Indeterminate order rate equation kinetics

Description

Function describing exponential decline from a defined starting value, with a concentration dependent rate constant.

Usage

IORE.solution(t, parent_0, k__iore, N)

Value

The value of the response variable at time t.

Arguments

t

Time.

parent_0

Starting value for the response variable at time zero.

k__iore

Rate constant. Note that this depends on the concentration units used.

N

Exponent describing the nonlinearity of the rate equation

References

NAFTA Technical Working Group on Pesticides (not dated) Guidance for Evaluating and Calculating Degradation Kinetics in Environmental Media

See Also

Other parent solutions: DFOP.solution(), FOMC.solution(), HS.solution(), SFO.solution(), SFORB.solution(), logistic.solution()

Examples

Run this code

  plot(function(x) IORE.solution(x, 100, 0.2, 1.3), 0, 2, ylim = c(0, 100))
  if (FALSE) {
    fit.fomc <- mkinfit("FOMC", FOCUS_2006_C, quiet = TRUE)
    fit.iore <- mkinfit("IORE", FOCUS_2006_C, quiet = TRUE)
    fit.iore.deS <- mkinfit("IORE", FOCUS_2006_C, solution_type = "deSolve", quiet = TRUE)

    print(data.frame(fit.fomc$par, fit.iore$par, fit.iore.deS$par,
                     row.names = paste("model par", 1:4)))
    print(rbind(fomc = endpoints(fit.fomc)$distimes, iore = endpoints(fit.iore)$distimes,
                iore.deS = endpoints(fit.iore)$distimes))
  }

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