- In the sulfate process, the titanium-rich ore is reacted with sulfuric acid, giving TiOSO4. Pure TiO2 is obtained from TiOSO4 in several steps, going via TiO(OH)2. Depending on the chemistry and route chosen, either rutile or anatase titanium dioxide is made.
Lithopone B301, Lithopone B311 powder, brilliant white pigment used in paints, inks, leather, paper, linoleum, and face powder. It was developed in the 1870s as a substitute or supplement for lead carbonate (white lead), to overcome its drawbacks of toxicity, poor weathering, and darkening in atmospheres that contain sulfur compounds. Lithopone B301, Lithopone B311 powder is an insoluble mixture of barium sulfate and zinc sulfide that precipitates upon mixing solutions of barium sulfide and zinc sulfate. The precipitate is recovered by filtration, then calcined (roasted) at temperatures above 600° C (1,112° F). Although Lithopone B301, Lithopone B311 powder has been replaced in many applications by titanium dioxide, it is still widely used in a number of products, such as water paints.
Matthew Wright, chair of the authority's working group on titanium dioxide, noted that the evidence for general toxic effects was not conclusive, but that the panel couldn't rule out genotoxicity entirely. There were also some current data limitations and the assessment could not establish a safe level for daily intake of the food additive, he stated.
- In conclusion, the world of Anatase and Rutile suppliers is a dynamic one, shaped by innovation, sustainability, and a deep understanding of customer needs. As the demand for these minerals continues to grow, suppliers will need to adapt, innovate, and maintain the highest standards to remain at the forefront of this thriving industry. Whether it's the photocatalytic prowess of Anatase or the robustness of Rutile, these suppliers are central to unlocking the full potential of titanium dioxide in the 21st century.
North America
For the Fourth Quarter of 2021


Lithopone B301, Lithopone B311 Powder
Wholesale suppliers of anatase titanium dioxide offer a range of grades and forms to meet the specific needs of their customers. Whether it's a fine powder for easy dispersion in coatings or a more granular form for specialized applications, wholesale suppliers can provide the right product for the job.
How can food businesses comply with this Regulation?
Potential hazards of oral exposure to TiO2 NPs

lithopone 28-30% factory.
The trend in the production of NPs is likely to lead to increasing amounts of nano-powders in the air, water and soil, which will consequently affect living organisms. Labielle et al. demonstrated that 25 % of Al(OH)3-coated TiO2 particles from sunscreens are dispersed as a stable colloid and become available to microorganisms and filter-feeders, while the remaining 75 % are probably incorporated into geogenic sediments, where they could become available to benthic fauna. Solar UV iradiation may penetrate as far as 20 m in the water column and therefore photo-activate the dispersed particles, which may have an adverse effect on various aquatic organisms.
Molecular weight: 412.23