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2. Purified water - Wikipedia

   en.wikipedia.org/wiki/Purified_water

   Double-distilled water (abbreviated "ddH 2 O", "Bidest. water" or "DDW") is prepared by slow boiling the uncontaminated condensed water vapor from a prior slow boiling. Historically, it was the de facto standard for highly purified laboratory water for biochemistry and used in laboratory trace analysis until combination purification methods of ...

3. Distilled water - Wikipedia

   en.wikipedia.org/wiki/Distilled_water

   Bottle for distilled water in the Real Farmacia in Madrid. Distilled water is water that has been boiled into vapor and condensed back into liquid in a separate container. Impurities in the original water that do not boil below or near the boiling point of water remain in the original container. Thus, distilled water is a type of purified water.

4. Ultrapure water - Wikipedia

   en.wikipedia.org/wiki/Ultrapure_water

   Ultrapure water (UPW), high-purity water or highly purified water (HPW) is water that has been purified to uncommonly stringent specifications. Ultrapure water is a term commonly used in manufacturing to emphasize the fact that the water is treated to the highest levels of purity for all contaminant types, including: organic and inorganic compounds; dissolved and particulate matter; volatile ...

5. Distilled water 101: Is it safe to drink? Here's what this ...

   www.aol.com/news/distilled-water-safe-drink...

   Here's your guide to distilled water. You may think of water as a standard drink throughout your day, but there are actually many different types. Here's your guide to distilled water.

6. Water purification - Wikipedia

   en.wikipedia.org/wiki/Water_purification

   The goal is to produce water that is fit for specific purposes. Most water is purified and disinfected for human consumption (drinking water), but water purification may also be carried out for a variety of other purposes, including medical, pharmacological, chemical, and industrial applications. The history of water purification includes a ...

7. Bottled water - Wikipedia

   en.wikipedia.org/wiki/Bottled_water

   Bottled mineral water being poured into a glass Bottled water dispensed in a water cooler A portable water container with a tap on bottom. Bottled water is drinking water (e.g., well water, distilled water, reverse osmosis water, mineral water, or spring water) packaged in plastic or glass water bottles.