✦ LIBER ✦

Comparison of the acidity of dealuminated and non-dealuminated HY zeolite by two1H-NMR methods: wide line at 4 K and high resolution MAS at 300 K

✍ Scribed by Patrice Batamack; Claudine Dorémieux-Morin; Jacques Fraissard

Book ID: 112399994
Publisher: Springer US
Year: 1991
Tongue: English
Weight: 494 KB
Volume: 11
Category: Article
ISSN: 1011-372X
DOI: 10.1007/bf00764077

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Study of H-ZSM-5 acidity by 1H NMR: broa

Study of H-ZSM-5 acidity by 1H NMR: broad-line at 4 K and high resolution MAS at 300 K; Brønsted acidity scale and comparison with other zeolites

✍ L. Heeribout; P. Batamack; C. Dorémieux-Morin; R. Vincent; J. Fraissard 📂 Article 📅 1996 🏛 Elsevier Science 🌐 English ⚖ 664 KB

Acidity of partially and non-dealuminate

Acidity of partially and non-dealuminated HY zeolites measured by 4-K broad-line and 300-K high-resolution magic-angle spinning 1H nuclear magnetic resonance spectroscopy: Synergy between Brönsted and Lewis acid sites

✍ P. Batamack; C. Dorémieux-Morin; R. Vincent; J. Fraissard 📂 Article 📅 1994 🏛 Elsevier Science 🌐 English ⚖ 982 KB

The acidity of niobic acid studied by 1H

The acidity of niobic acid studied by 1H broad-line NMR at 4 K and H MAS NMR at room temperature: comparison with other solid acids

✍ Patrice Batamack; Robert Vincent; Jacques Fraissard 📂 Article 📅 1996 🏛 Elsevier Science 🌐 English ⚖ 848 KB

The acidity of niobium pentoxide calcined at 573 K has been studied by interacting water molecules and the solid acid using 'H broad-line NMR at 4 K and MAS NMR at room temperature. 'H Broad-line NMR in 'rigid lattice' conditions allows the determination of the numbers of the oxygen-protonated speci

The Acid Strength of Sulfated Zirconia M

The Acid Strength of Sulfated Zirconia Measured by Two1H NMR Techniques in the Presence of Water: 4 K Broad-Line and 300 K High Resolution MAS

✍ Virginie Semmer; Patrice Batamack; Claudine Dorémieux-Morin; Robert Vincent; Jac 📂 Article 📅 1996 🏛 Elsevier Science 🌐 English ⚖ 220 KB