Table 17 Acid–base constants KD, KA, K and of the ratio KA/KD of different catalysts as a function of the rhodium percentage %Rh.

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/HbZ

KD

KA

K

KA/KD

0

1.215

2.652

0.464

2.18

0.25

1.465

2.387

0.528

1.63

0.5

1.670

1.690

0.552

1.01

0.75

1.596

1.446

0.619

0.91

1

0.267

1.524

0.519

5.70

1.25

1.995

2.112

0.335

1.06

1.5

1.677

4.130

0.026

2.46

1.75

1.637

4.684

0.068

2.86

2

1.648

4.866

0.056

2.95

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