Table 4 Ea for MEA mixed with CuBr2, calculated using the KAS, Starink, and FWO methods at different conversions.

From: Thermal Decomposition and Nonisothermal Kinetics of Monoethanolamine Mixed with Various Metal Ions

Conversion (α)

1st Peak

2nd Peak

KAS

Starink

FWO

KAS

Starink

FWO

Ea (kJ/mol)

R 2

Ea (kJ/mol)

R 2

Ea (kJ/mol)

R 2

Ea (kJ/mol)

R 2

Ea (kJ/mol)

R 2

Ea (kJ/mol)

R 2

0.1

50.9

0.689

51.3

0.694

54.0

0.737

143.4

0.978

143.7

0.978

144.7

0.980

0.2

50.7

0.748

51.1

0.753

54.0

0.791

127.0

0.998

127.5

0.997

129.5

0.998

0.3

56.7

0.810

57.1

0.814

59.7

0.842

122.1

0.994

122.6

0.994

125.0

0.995

0.4

64.4

0.805

64.8

0.809

67.2

0.834

121.2

0.992

121.7

0.993

124.3

0.994

0.5

72.6

0.748

73.4

0.758

75.6

0.787

123.0

0.992

123.5

0.992

126.1

0.993

0.6

86.7

0.733

87.0

0.736

88.6

0.762

125.6

0.992

126.1

0.992

128.6

0.993

0.7

116.4

0.788

116.5

0.790

116.9

0.807

130.2

0.991

130.7

0.991

133.1

0.992

0.8

172.8

0.842

172.9

0.844

170.8

0.853

142.8

0.984

143.7

0.984

145.3

0.986

0.9

190.7

0.897

190.7

0.898

188.0

0.904

167.7

0.963

168.1

0.963

169.2

0.967

Mean

79.4

0.777

79.8

0.781

81.6

0.806

124.4

0.992

124.9

0.992

127.4

0.993

Standard deviation

21.0

0.031

20.9

0.030

20.1

0.030

3.2

0.001

3.2

0.001

3.2

0.001