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. 2024 Mar 14;14(13):8709–8717. doi: 10.1039/d4ra00223g

Desorption temperature and acid quantity of parent and steamed HZSM-5 zeolitesa.

Catalyst T peak (°C) Acid amount (μmol gcat−1)
LT peak HT peak Weak acidity Strong acidity Total acidity
HZ 261 468 369 258 627
HZ-300 255 468 383 216 599
HZ-400 249 456 303 160 463
HZ-500 238 436 189 109 298
a

LT peak represents low temperature desorption peak. HT peak represents high temperature desorption peak.