Principle of Spectrophotometer in Monitoring Pollutants
After reading this article you will learn about the principle of spectrophotometer in monitoring pollutants. The principle of spectrophotometer is based upon the amount of light that a sample absorbs. The instrument operates by passing a beam of light through a sample and measuring the intensity of light reaching a detector. Spectrophotometer is commonly used to measure sulphur dioxide (SO2) [...]