Infra-Red Tool in Building Material
Yasser A. Osman
Broschiertes Buch

Infra-Red Tool in Building Material

IR Studies on the Stability of the Thaumasite Systems

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To understand the chemistry of thaumasite formation. An academic study was performed on pure systems composed of different silica source: silica gel and water glass supplied as liquid silicate and another supplied in the form of sodium meta silicate. The behavior of the silica sources were studied in mixes containing gypsum or ettringite in presence and absence of calcite and stored in water 28 days and 3 months at RT and 7oC. The effect of portlandite and magnesium sulfate on the behavior of mixes containing the silica source, ettringite, and calcite under the same conditions was studied. The...