S. P. Zhdanov, A. V. Kiselev, V. I. Lygin, T. I. Titova, “Change of the infrared spectrum of <nobr>$\mathrm{X}$</nobr> ceolites in response to their thermal treatment in vacuo”, Dokl. Akad. Nauk SSSR, 1963, Volume 150, Number 3,Pages <nobr>584

PHYSICAL CHEMISTRY

Change of the infrared spectrum of $\mathrm{X}$ ceolites in response to their thermal treatment in vacuo

S. P. Zhdanov^a, A. V. Kiselev^b, V. I. Lygin^b, T. I. Titova^a

^a Institute of Silicate Chemistry Academy of Sciences of the USSR
^b Lomonosov Moscow State University

Presented: A. N. Frumkin
Received: 25.12.1962