Vật liệu mao quản trung bình MCM-41

Mesoporous molecular sieve Al-Si-MCM41 was synthesized by using hexadecyltrimetylammonium bromide (C9H42BrN) as surfactant at room temperature. The material characterization was studied by IR, XRD, HR-TEM, nitrogen desorption-absorption isotherms BET and TPD-NH3 methods.

5p uocvong02 24-09-2015 72 4   Download