Deionized water is water that has been passed through resins that remove electrically charged material from the water. If it has not come into contact with carbon dioxide, the pH of deionized water is 7. Its pH is approx... More » Science Chemistry Acids & Bases

Deionized water is water that is free from all charged atoms or molecules. It is water that has had all or almost all of its mineral ions removed, including sodium, calcium, copper, sulfate, iron and copper. More » Science Chemistry

Deionization is simply the removal of ions. Therefore, a deionized water system is a system with water that has no ions. Since ions are regarded as impurities, deionization is considered a way of water purification. More » Science Chemistry Chem Lab
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