11
...
2025-08-15 02:57
1314
Preparation of Lithopone:
The principal natural source of titanium dioxide is mined ilmenite ore, which contains 45-60 percent TiO2. From this, or an enriched derivative (known as titanium slag), pure TiO2 can be produced using the sulphate or chloride process.
BaSO4 + 4C=BaS + 4CO