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2. Purified water - Wikipedia

   en.wikipedia.org/wiki/Purified_water

   The conductivity of water is measured in Siemens per meter (S/m). Sea-water is typically 5 S/m, [5] drinking water is typically in the range of 5-50 mS/m, while highly purified water can be as low as 5.5 μS/m (0.055 μS/cm), a ratio of about 1,000,000:1,000:1. Purified water is used in the pharmaceutical industry.

3. Water purification - Wikipedia

   en.wikipedia.org/wiki/Water_purification

   Atmospheric water generation is a new technology that can provide high quality drinking water by extracting water from the air by cooling the air and thus condensing water vapour. Rainwater harvesting or fog collection which collect water from the atmosphere can be used especially in areas with significant dry seasons and in areas which ...

4. Drinking water - Wikipedia

   en.wikipedia.org/wiki/Drinking_water

   Drinking water or potable water is water that is safe for ... New Zealand have access to sufficiently pure water of sufficient volume that no treatment of the raw ...

5. 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, and ...

6. Which drinking water is healthiest? The pros and cons of tap ...

   www.aol.com/lifestyle/drinking-water-healthiest...

   The Safe Drinking Water Act, which was passed by Congress in 1974, regulates the country’s drinking water supply, focusing on waters that are or could be used for drinking. This act requires ...

7. Water sachet - Wikipedia

   en.wikipedia.org/wiki/Water_sachet

   Water sachets or sachet water is a common form of selling pre-filtered or sanitized water in plastic, heat sealed bags in parts of the global south, and are especially popular in Africa. [1] Water sachets are cheaper to produce than plastic bottles, and easier to transport. [2] In some countries, water vendors refer to sachet water as "pure water".