Table 15 Values of the specific entropy − ∆Ssp (JK-1 mol-1) of adsorption of different polar molecules on catalysts as a function of the impregnated rhodium percentage.

From: New approach to determine the surface and interface thermodynamic properties of H-β-zeolite/rhodium catalysts by inverse gas chromatography at infinite dilution

%Rh probes

0

0.25

0.5

0.75

1

1.25

1.5

1.75

2

Cyclohexane

− 10

− 7

− 2

0

− 1

− 6

− 20

− 24

− 25

Tri-CE

− 19

− 21

− 24

− 34

− 25

− 32

− 20

− 17

− 17

Tetra-CE

− 30

− 27

− 28

− 36

− 31

− 39

− 22

− 21

− 22

Benzene

− 2

− 2

− 2

− 2

− 1

0

− 1

− 3

3

Chloroform

− 30

− 36

− 40

− 38

− 61

− 54

− 42

− 40

− 41

Ether

− 90

− 84

− 80

− 75

− 71

− 67

− 63

− 59

− 56

Methanol

− 127

− 108

− 92

− 78

− 66

− 56

− 48

− 41

− 35

Acetone

− 112

− 89

− 72

− 57

− 46

− 37

− 29

− 23

− 19

Back to article page