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Gypsum Gypsum Specifications
The following analysis is for gypsum from Lake Cowcowing, Wyalkatchem.
Chemical Analysis
- Pure Gypsum: 97%
- Calcium: 23%
- Sulphur: 18%
- SiO2: 2.5%
- CaCO3: 0.2%
- Fe2O3: 0.1%
- NaCl: 0.2%
- Cadmium: <1.25ppm
- Mercury: 1.175ppm
- Lead: <2.5ppm
Particle Size
- Pure Gypsum: 97%
- Calcium: 23.00%
- Sulphur: 18%
- SiO2: 2.5%
- CaCO3: 0.2%
- Fe2O3: 0.1%
- NaCl: 0.2%
- Cadmium: <1.25ppm
- Mercury: 1.175ppm
- 0.000-0.150mm: 4.9%
- 0.150-0.300mm: 31.0%
- 0.300-0.600mm: 49.2%
- 0.600-1.000mm: 12.9%
- >1.000mm: 2.0%
Screening
- Grizzly: No lumps over 5cm.
- Fine: No lumps over 1cm.
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