- The applications of barium zinc sulfate extend into the realm of lubrication, where it serves as an additive in greases and oils. It improves the extreme pressure characteristics and resistance to wear, which are paramount in heavy-duty machinery operations. Furthermore, in the paint industry, barium zinc sulfate functions as an anti-corrosion pigment, offering protection to metal surfaces against environmental degradation.
- The pharmaceutical and medical sectors have also found uses for cheap barium sulfate superfine. As an X-ray contrast medium, it aids in diagnostic procedures like gastrointestinal tract examinations, allowing doctors to visualize internal organs more clearly. Its low solubility in body fluids ensures its safe usage.
After oral ingestion, the absorption of titanium dioxide particles is low, however they can accumulate in the body, Maged Younes, chair of the European Food Safety Authority's expert Panel on Food Additives and Flavourings, said in a May 2021 statement.
Lithopone, C.I. Pigment White 5, is a mixture of inorganic compounds, widely used as a white pigment powder. It is composed of a mixture of barium sulfate and zinc sulfide. These insoluble compounds blend well with organic compounds and confer opacity. It was made popular by the cheap production costs, greater coverage. Related white pigments include titanium dioxide, zinc oxide (zinc white), zinc sulfide, and white lead.
The vitaminC@P25TiO2NPs, on the other hand, were obtained through an optimized method based on Mallakpour et al. [27]. Initially, 0.02 g of P25TiO2NPs were dispersed in 1 mL of ultrapure water and stirred in a Vortex. Next, 100 μL of HCl (0.01 M) were added (pH 2) to 100 uL of P25TiO2NPs to avoid gel formation. Then, 100 μL of vitamin C dissolved in ultra-pure water (5.0 × 10−3 M) solution were added to the mixture and was ultrasonicated for 30 min. Finally, vitamin C was added in excess to gain a beige-orange color suspension, and the ultrasonication continued for another 30 min. The pellet obtained after centrifuging the suspension for 10 min at 4500 rpm was resuspended in ultrapure water, centrifuged again, and then lyophilized.
Overall, the Food Directorate's comprehensive review of the available science of TiO2 as a food additive showed:
28%Min


TiO2 is also used in oral pharmaceutical formulations, and the Pharmaceutical Excipients handbook considers nano-sized TiO2 a non-irritant and non-toxic excipient. Despite the fact that TiO2 submicron- and nano-sized particles are widely used as food and pharmaceutical additives, information on their toxicity and distribution upon oral exposure is very limited.

When E171 is part of a food product, it passes through the digestive system without causing harm because E171 combines with the other ingredients.
High Scattering Power TiO2 DongFang R5566
The EU expert panel did not identify an immediate health concern linked to TiO2 when used as a food additive. However, due mainly to uncertainties concerning the safety of TiO2 nanoparticles, the panel concluded that TiO2 as a food additive (E171) could no longer be considered safe.
For the Second Quarter of 2022

The Future of Titanium Dioxide: A Glimpse to 2023

Titanium dioxide (E 171) is authorised as a food additive in the EU according to Annex II of Regulation (EC) No 1333/2008.