The produced barium sulfide enters the leacher, and the temperature is controlled above 65°C to obtain a barium sulfide content of 70%, and then enters the clarification barrel, add zinc sulfate for reaction after clarification, control the zinc sulfate content to be greater than 28%, pH=8~9, and obtain a mixture of barium sulfate and zinc sulfide with a density of 1.296~1.357 g/cm3.

Most commonly used in candy, it can also be found in salad dressings, chewing gum, ice cream, frozen pizzas, drink and jello mixes and many other food categories. Titanium dioxide creates a smooth finish and adds shine and brightness to other colors. 

Titanium dioxide nanoparticles may accumulate and cause DNA damage