barium sulphate is insoluble in water

Scientists analyzed research that examined how titanium dioxide nanoparticles interact with the brain for a 2015 review published in Nanoscale Research Letters. The researchers wrote: “Once the TiO2 NPs are translocated into the central nervous system through [certain] pathways, they may accumulate in the brain regions. For their slow elimination rates, those NPs could remain in the brain zones for a long period, and the Ti contents would gradually increase with repeated exposure.” After reviewing dozens of studies, the scientists concluded: “Long-term or chronic exposure to TiO2 nanoparticles could potentially lead to the gradually increased Ti contents in the brain, which may eventually induce impairments on the neurons and glial cells and lead to CNS dysfunction as a consequence.”

...

In addition to its optical properties, industrial grade titanium dioxide also offers excellent chemical resistance, durability, and weatherability, making it suitable for outdoor applications where exposure to harsh environmental conditions is a concern. With our advanced manufacturing processes, we can produce titanium dioxide that meets the highest standards of quality and reliability, ensuring that our customers can trust our products to perform consistently in their applications.

...

In the food industry, sodium bicarbonate is a staple ingredient in baking, where it acts as a leavening agent, causing dough and batter to rise. Suppliers in this sector often provide food-grade sodium bicarbonate, which is safe for consumption and adheres to stringent food safety regulations. They also cater to specialized needs, like organic or non-GMO options, to meet the growing consumer preference for natural and eco-friendly products.

...

All samples (n = 6) were irradiated in a 96 well plate using an LED panel on top for 3 and 6 h before analysis. An identical set of samples were kept in the dark as controls. The temperature was checked and did not go over 37 °C. The intensity of light was also measured and was constant at 19,500.10 lux. (43.33 W in 0.2 m2), about 5 times less than actual solar light intensity on Earth's surface Therefore, these findings are indicative of even greater danger in real life.

...

The titanium dioxide market fluctuated in the first two quarters of 2023. These pricing patterns resulted from poor demand and reduced intakes from the downstream industries. Amid the slow demand, the manufacturers were forced to reduce their outputs. With rising inflation rates, production cuts gradually increased. Given the economic downturn, the labor strikes further affected the market dynamics, thereby exerting pressure on the pricing fundamentals.

...
  • 105°C volatile matter, %

  • X-ray fluorescence spectroscopy (XRF) is a non-destructive technique that can be used to determine barium in TiO2