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NMR study of the spatial effect of polyacrylamide gel upon the water molecules confined in it

✍ Scribed by Katayama, Seiji; Fujiwara, Shizuo

Book ID
126848203
Publisher
American Chemical Society
Year
1979
Tongue
English
Weight
477 KB
Volume
101
Category
Article
ISSN
0002-7863

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A combination of 1 H and 23 Na NMR is used to probe the dynamic state of water in gelatine gels as the water content is lowered from 70% to dryness. A sharp increase in the proton and sodium transverse relaxation rates is observed as the water content falls from 20 to 15% while the proton longitudin