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Calcium borates structures

Calcium acetylide, 11 182-183 Calcium aluminum hydride, preparation and properties of, 8 327-329 Calcium borates, 25 218-219 stability ranges, 25 209-210 structures, 25 190-195, 197-199 in water, 25 218... [Pg.35]

Fig. 3. Schematic structures of the calcium borate minerals (a) frovolite, CaO B2O3 4 H2O, (b) pinnoite, MgO B2O3 3 H2O, and (c) vimsite, CaO B2O3 2 H2O (n = infinity)... Fig. 3. Schematic structures of the calcium borate minerals (a) frovolite, CaO B2O3 4 H2O, (b) pinnoite, MgO B2O3 3 H2O, and (c) vimsite, CaO B2O3 2 H2O (n = infinity)...
Structural reorganizations [126] during the thermal decompositions of hydrated borates in general, and of calcium borate (pandermite) and potassium magnesium borate in particular are complex, proceeding through step-by-step processes. The parent structure is gradually transformed into more stable forms by apparently the... [Pg.244]

When radiation energy is absorbed by crystals of certain materials (e.g. lithium fluoride, lithium borate and calcium fluoride), the absorbed energy is trapped (stored) as displaced electrons within the crystal structure. If the material is heated later after the exposure, the trapped electrons are released and the stored absorbed energy is released in the form of visible light. This process is called thermoluminescence. Materials having this characteristic are called thermoluminescent. [Pg.159]

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See also in sourсe #XX -- [ Pg.190 , Pg.191 , Pg.192 , Pg.193 , Pg.194 , Pg.197 , Pg.198 ]

See also in sourсe #XX -- [ Pg.190 , Pg.191 , Pg.192 , Pg.193 , Pg.194 , Pg.197 , Pg.199 ]



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Calcium borate

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