Statistical Process Control (SPC) is an important factor in the manufacturing industry to avoid high costs in case of production variances. By implementing different process control methods and tools you can ensure that every discrepancy to the intended process will be noticed as early as possible. The later the deviation will be noticed the higher the damage costs are.
In chemical processes it is common to control the chemical reaction product and its purity. For that purpose, UV light sources can be used to analyze the product with UV-Vis spectroscopy.