Table 6.
Properties and ingredients of FdCa (OH)2 powder.
| FdCa (OH)2 | Properties | ||
|---|---|---|---|
| Appearance | White or ashy white color powder and granules | ||
| pH | 12.4 (25°C saturated solution) | ||
| Specific gravity | 2.24 | ||
| Solubility | Dissolves in water Saturated solution forms as 0.17 g/100 cc | ||
| Resolution temperature | 580°C | ||
| Acute toxicity | Outside based on LD50: 7340 mg/kg within the rat Skin corrosive and circumstantial inflammation Severe damage and stimulate toward eyes | ||
| Ingredients | Chemical formula | Ingredient | Standard slaked lime |
| Calcium hydroxide | Ca (OH)2 | 97.06% | >95.0% |
| Carbonate object | Clear | Non-bubble | |
| Hydrochloric acid insoluble | Clear 0.01% | <0.50% | |
| Heavy metals | Clear | <40 μg/g | |
| Alkali metal and magnesium | Mg | Clear 0.56% | <6.0% |
| Barium | Ba | Clear | <0.03% |
| Arsenic | As2O3 | Clear 0.08 | <4 μg/g |
FdCa (OH)2=Food additive grade calcium hydroxide