Direct evidence for the nonrandom nature of Al substitution in zeolite ZSM-5: an investigation by (27)Al MAS and MQ MAS NMR.
Han
Oc Hee
OH
Magnetic Resonance Team, Korea Basic Science Institute (KBSI), Daejeon 305-333, Korea. ohhan@comp.kbsi.re.kr
Kim
Chang-Sam
CS
Hong
Suk Bong
SB