From: Acid-modified clinoptilolite as a support for palladium–copper complexes catalyzing carbon monoxide oxidation with air oxygen
Sample
pH0
pHst
ΔpHs
N-CLI
7.45
8.05
0.6
0.25H-CLI
5.78
5.57
−0.21
0.5H-CLI
5.60
5.35
−0.25
1H-CLI
5.42
5.18
−0.24
3H-CLI
4.38
4.13