Table 2 The amounts of Brønsted and Lewis acid sites.

From: Improved surface acidity of CeO2/TiO2 catalyst by Cu doping to enhance the SCR catalytic activity

Samples

Py-IR results at 200 °C (mmol/g)

Py-IR results at 350 °C (mmol/g)

B acid sites

L acid sites

B acid sites

L acid sites

CeTi

0.109

0.534

0.104

0.526

CeTiCu0.1

0.131

0.621

0.132

0.634

CeTiCu0.2

0.131

0.629

0.150

0.640

CeTiCu0.3

0.153

0.691

0.178

0.699