Journal of Physical Chemistry B, Vol.109, No.5, 1660-1662, 2005
Infrared evidence of three distinct acidic hydroxyls in defect-free HY faujasite
Trimethylamine (TMA) and ammonia (NH3) were coadsorbed over a free extraframework aluminum (EFAL) HY zeolite, which allowed us to distinguish at least three different acidic hydroxyls in the faujasite structure.