In conclusion, calcium carbonate and titanium dioxide are important minerals that are used in various industries. While they are both produced by manufacturers, they have different manufacturing processes and applications. Understanding the differences between these two minerals can help industries make informed decisions about which one to use for their specific needs.
Pigment grade titanium dioxide is produced at a much larger particle size than nano grade. It is used as a colourant to whiten and brighten product formulations. Nano grade titanium dioxide is manufactured into very fine (nano) particles and is transparent and colourless. It is commonly used in sunscreens to provide effective protection from potentially harmful UV rays.
- In electronics, TiO2 finds application in solar cells due to its ability to absorb light and facilitate electron transfer
Because of their small size, nanoparticles may have unique physical and chemical properties. These properties may cause them to interact with living systems differently than larger materials with the same chemical composition (also known as bulk materials).

The use of titanium dioxide (TiO2) in factory settings is widespread, with this versatile compound playing a crucial role in various industrial processes. TiO2 is a naturally occurring mineral that is widely used as a white pigment in paints, coatings, plastics, paper, and other products. Its ability to effectively scatter light makes it an ideal choice for creating bright, durable, and long-lasting finishes.
When we purchase lithopone, we must pay attention to its ratio. This can be seen to some extent from the appearance. Basically, we can see that good products are very delicate. , and the color is also very uniform, a kind of shiny white, while inferior lithopone has uneven particles and wrong luster.
In a lawsuit filed last week, a consumer alleged that Skittles were unfit for human consumption because the rainbow candy contained a known toxin – an artificial color additive called titanium dioxide.
TiO2 possesses different qualities depending on whether it is produced as a pigment or a nanomaterial. Both forms are tasteless, odourless and insoluble.
If you're curious about whether something you’re eating contains titanium dioxide, you can check the ingredients list. But know that the FDA doesn’t require food makers to use its chemical name on an ingredients list. Instead, it could be listed as:


When E171 isn’t combined with other ingredients and administered in water, some studies suggest that under these artificial conditions, E171 may be processed differently in the body resulting in some biological changes in experimental animals that are poorly understood.
While the FDA maintains that the regulated use of titanium dioxide is safe, the European Food Safety Authority and some other experts warn of potential, serious health risks.
The California plaintiff is apparently not the only one concerned about titanium dioxide. The European Union recently banned its use citing concerns about serious health consequences.
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The gravimetric determination of titanium dioxide is vital for several reasons. First and foremost, it ensures product consistency and quality, allowing manufacturers to produce coatings and plastics that meet industry standards. In industries where color consistency is crucial, such as paint production, maintaining a uniform concentration of TiO2 is essential to achieving the desired opacity and brightness.
3. Solubility: insoluble in water.
Inhaling high concentrations of titanium dioxide dust or fumes, which may occur in occupational settings — such as in the production or processing of products containing the mineral — may cause respiratory problems like coughing, wheezing and shortness of breath, in addition to eye and skin irritation.
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Titanium dioxide is added to some food packaging to preserve the shelf life of a product.