Kiss: Title Kissinger

In takos: Analysis of Differential Calorimetry Scans

Description

performs analysis of the thermograms using Kissinger method to calculate the activation energy (Ea)

Usage

Kiss(mat)

Arguments

mat	matrix of the all the thermograms checked using the functiom mat.check

Value

models "mod", datable "xy" for plot, "Ea" list of value, datatable "DT" built with the values of mat according to the specified degrees

References

1. Avrami M. Kinetics of Phase Change. I General Theory. J Chem Phys. 1939;7(12):1103-1112. doi:10.1063/1.1750380. 2. Kissinger HE. Reaction Kinetics in Differential Thermal Analysis. Anal Chem. 1957;29(11):1702-1706. doi:10.1021/ac60131a045.

Examples

require(data.table)
require(MASS)
rates=c(0.5,1,2,5,10,20,50)
a<-lapply(rates, function(x) JMA(A=exp(35),Ea=120000,T0=0,T.end=300,q=x,npoints=5000,n=2))
a<-lapply(seq(1,length(a)), function(x) data.table(a[[x]]$time.s,a[[x]]$T.C,
a[[x]]$dadT, rates[[x]]))
lapply(seq(1,length(a)), function(x) setnames(a[[x]],
c("time.seconds","temperature.s","heat.flow","rates") ) )
ar<-testMat(a)
kiss<-Kiss(ar)

takos documentation built on Jan. 13, 2021, 4:11 p.m.