The Activation Effect of K2SO4 on the Hydration of Gypsum Anhydrite, CaSO4(II)
β Scribed by N. B. Singh
- Book ID
- 109255768
- Publisher
- John Wiley and Sons
- Year
- 2004
- Tongue
- English
- Weight
- 553 KB
- Volume
- 88
- Category
- Article
- ISSN
- 0002-7820
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π SIMILAR VOLUMES
The Thermal Decomposition of Polyhalite K2SO4 -MgS04 -2 CaS04.2 HzO The thermal decomposition of polyhalite (K2SO4 . MgS04 . 2 CaS04 . 2 H20) was investigated by DSC/TG and X-ray powder diffraction. The decomposition of the polyhalite starts at 285 "C in releasing the crystal water within one step.
## Abstract The crystal structure of the mineral gΓΆrgeyite, K~2~SO~4~ Β· 5 CaSO~4~ Β· H~2~O, has been determined from visually estimated photographic intensities using the direct methods program MULTAN, and refined by block-diagonal least-squares structure factors to an __R__ value of 0.096. The mine