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2. Iceland Pure Spring Water - Wikipedia

   en.wikipedia.org/wiki/Iceland_Pure_Spring_Water

   Type. still. pH. 7.64 tested. 8.88 claimed. All concentrations in milligrams per liter (mg/L); pH without units. Iceland Spring water is an Icelandic brand of bottled water, bottled by Iceland Spring ehf. of Reykjavík, Iceland. The water is sourced from Heiðmörk, the same source as tap water for the city of Reykjavík. [citation needed]

3. Water purification - Wikipedia

   en.wikipedia.org/wiki/Water_purification

   Water purification is the process of removing undesirable chemicals, biological contaminants, suspended solids, and gases from water. 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 ...

4. Seawater - Wikipedia

   en.wikipedia.org/wiki/Seawater

   Seawater, or sea water, is water from a sea or ocean.On average, seawater in the world's oceans has a salinity of about 3.5% (35 g/L, 35 ppt, 600 mM). This means that every kilogram (roughly one liter by volume) of seawater has approximately 35 grams (1.2 oz) of dissolved salts (predominantly sodium (Na +

5. Monochloramine - Wikipedia

   en.wikipedia.org/wiki/Monochloramine

   In aqueous solution, chloramine slowly decomposes to dinitrogen and ammonium chloride in a neutral or mildly alkaline (pH ≤ 11) medium: 3 NH 2 Cl → N 2 + NH 4 Cl + 2 HCl However, only a few percent of a 0.1 M chloramine solution in water decomposes according to the formula in several weeks.

6. Drinking water - Wikipedia

   en.wikipedia.org/wiki/Drinking_water

   Drinking water. Drinking water or potable water is water that is safe for ingestion, either when drunk directly in liquid form or consumed indirectly through food preparation. It is often (but not always) supplied through taps, in which case it is also called tap water. The amount of drinking water required to maintain good health varies, and ...

7. pH indicator - Wikipedia

   en.wikipedia.org/wiki/PH_indicator

   A pH indicator is a halochromic chemical compound added in small amounts to a solution so the pH (acidity or basicity) of the solution can be determined visually or spectroscopically by changes in absorption and/or emission properties. [1] Hence, a pH indicator is a chemical detector for hydronium ions (H 3 O +) or hydrogen ions (H +) in the ...