china determination of barium as tio2
Other techniques that manufacturers may consider include spectrophotometry, which measures the absorbance of light by a sample at specific wavelengths, and atomic absorption spectroscopy (AAS), which uses a flame to atomize sample compounds and measure the absorption of light by the resulting atoms.
Furthermore, titanium dioxide is used in the food industry as a colorant and preservative. It is approved by the FDA for use in food and beverage products, providing a natural white color to items such as bread, pasta, and sauces. It also has antibacterial properties, which help to extend the shelf life of food products.
Scattering is strong when the difference in the refractive index of particle & matrix, Δn = np - nm, is big
The refractive index of binders used in coatings and inks is around 1.55. Titanium Dioxide is preferably used as a scattering source because the pigment does not absorb visible light and it has a high refractive index.
The refractive index of binders used in coatings and inks is around 1.55. Titanium Dioxide is preferably used as a scattering source because the pigment does not absorb visible light and it has a high refractive index.