Brønsted acidic strength in Y-zeolite by positron spectroscopy
Brønsted acidic strength in Y-zeolite by positron spectroscopy
复制标题
通过正电子光谱测定 Y 沸石中的布朗斯台德酸性强度
DOI：
10.1023/a:1019060219073
复制
发表时间：
1999
影响因子：
2.8
通讯作者：
P. Tseng
中科院分区：
文献类型：
--
作者：
W. F. Huang;K. Hung;D. C. Huang;C. C. Huang;P. Tseng
本文研究了Y型分子筛吸附碱（氨水、水和乙醇）后正电子湮没的角相关谱。该技术的结果成功地揭示了存在两种类型的具有不同酸强度的Brønsted酸中心，其需要约200和400°C的碱解吸温度。
Angular correlation spectra of positron annihilation in Y-zeolite adsorbed with bases (ammonia, water, and alcohol) were studied. Results by the technique successfully reveal that there exist two types of Brønsted acid sites with different acidic strengths which require temperature of desorption of the base at about 200 and 400°C.