Application Note: Measurement Of Pigments With Dry Jet Dispersion Technology

Pigments are chemical compounds which reflect only certain wavelengths of visible light. This makes them appear colorful.

Pigments generally are dry, fine powders that are practically soluble in many usual solvents. Pigments are used because of their color power.

The first using of these compounds was about 30,000 years ago in prehistoric caves. Artists used organic pigments such as ochre earth, yellow and red clay, and iron oxide..