𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Spectroscopic investigation of silica at various stages of inorganic sol-gel synthesis

✍ Scribed by A. A. Krivda; V. V. Zhizhenkov; E. K. Mazurina; V. S. Shashkin; A. E. Chmel'

Book ID
104873206
Publisher
Springer US
Year
1990
Tongue
English
Weight
458 KB
Volume
53
Category
Article
ISSN
0021-9037

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Sol–Gel Synthesis of Microporous Amorpho
Sol–Gel Synthesis of Microporous Amorphous Silica from Purely Inorganic Precursors
✍ Maria-José Muñoz-Aguado; Miguel Gregorkiewitz 📂 Article 📅 1997 🏛 Elsevier Science 🌐 English ⚖ 146 KB

Aqueous sodium silicate solutions and hydrochloric acid were used to prepare silica gels without any additives. In order to establish the optimum conditions for the preparation of microporous and monodisperse gels, the sol-gel reaction has been studied as a function of pH, concentration of silicate,

Mn2+ EPR investigation of sol-gel proces
Mn2+ EPR investigation of sol-gel process in silica xerogels at 77 K
✍ Sushil K Misra; Milan Mazúr; Peter Pelikán; Hana Hulínová; Marek Liška 📂 Article 📅 1995 🏛 Elsevier Science 🌐 English ⚖ 296 KB

The EPR spectrum of the Mn 2+ ion has been used as a diagnostic tool at liquid-nitrogen temperature (77K) to investigate the structural evolution of SiO2 xerogels as a function of temperature during their calcination, as.well as during subsequent aging. The positions of the Mn 2 ÷ hyperfine lines we