The difference between pure water and ultra-pure water !
Before you look at the differences, first understand what they are:
Pure water, also known as pure water, refers to the water that meets the standard of drinking water, which is the water that is sealed and stored in a container after the source water is treated by ion exchange method, reverse osmosis method, distillation method or other methods, and can be directly supplied to drinking water. The Ebo or Wahaha sold in the market belong to pure water. Ultra-pure water means that the ultra-pure water device is purified on the basis of pure water, and the electrolyte is completely removed, so that it is close to the real meaning of water, almost only contains water molecules. The resistance approaches the limit value of 18.25MΩ.
There are many differences between pure water and ultra-pure water, which are summarized as follows:
The conductivity of pure water is between 2-10us/cm, and the conductivity of ultra-pure water is 0.056us/cm.
The production process and the degree of difficulty is different, pure water is made by ion exchange method, reverse osmosis method, distillation method, and ultra-pure water is processed on the basis of pure water, through a series of complex purification technology such as photooxidation technology, fine treatment and polishing treatment.
Heavy metals, bacteria, ions, impurities and other substances are also different, pure water impurity content is ppm level, and ultra-pure water is ppb level, simply put, ultra-pure water has no impurities, close to the theoretical water.
The place of use is also different, pure water is mainly for people to drink, and ultra-pure water should be to medicine, semiconductors, polishing and other fields.
The produced instruments are different, pure water is mainly through the pretreatment and reverse osmosis of pure water equipment, and ultra-pure water is through the pre-treatment, reverse osmosis and ultra-purification system of ultra-pure water.
