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On the reaction of C-S-H(di, poly) with alkali hydroxides

โœ Scribed by H. Stade

Book ID
102998843
Publisher
Elsevier Science
Year
1989
Tongue
English
Weight
405 KB
Volume
19
Category
Article
ISSN
0008-8846

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โœฆ Synopsis

The incorporation of alkali hydroxides (MOH), especially KOH, within a well defined C-S-H phase (C-S-H(di,poly)) has been investigated. The results have shown the amount of bound MOH to be dependent on MOH concentration, composition of the C-S-H phase, ionic radius of the alkali, additional incorporated cations like A13+, and temperature of formation of the C-S-H phase. From the results the conclusion is drawn that MOH is incorporated within the interlayer of the C-S-H phase mostly by neutralizing SlOH-proups.

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The reaction of C2F5 radicals with H2S
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โœ J. E. Bassett; E. Whittle ๐Ÿ“‚ Article ๐Ÿ“… 1972 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 410 KB

The reaction of CzF5 radicals with HzS (2) C2F5 + HzS -+ CzF5H + HS kfi was studied over the range 1"-123"C using CZFS radicals generated by photolysis of perfluoropropionic anhydride. The rate constant k~ for reaction (2) is given by where e = 2.303RT/cal mole-'. The relevance of this result to c