How Pure is Distilled Water – Does it Remove Chemicals From Tap Water?
Recently, I received this question in my mail box; how pure is distilled water? It really depends on your definition of purity. It also depends on why you need a pure water solution. Sometimes factories and industries need an ultra pure water solution to protect delicate equipment. Distillers are often used for film processing, for example. The presence of minerals would cause spots on the negatives and the result would be a spotted picture. Once a negative is damaged in this way, it is basically ruined. With computer technology, it is sometimes possible to repair the photograph, but professional photographers would never accept the quality of a “re-touched” photo. So, when a photographer asks, how pure is distilled water, the answer is “pure enough for your purposes”. If, however, you are looking for a pure water solution for drinking purposes, you want something different. Distillation will not remove chemicals or anything with a boiling point lower than that of water. Minerals and o
