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  2. Sodium hypochlorite - Wikipedia

    en.wikipedia.org/wiki/Sodium_hypochlorite

    [47] [48] It may be made by diluting household bleach as appropriate (normally 1 part bleach to 9 parts water). [49] Such solutions have been demonstrated to inactivate both C. difficile [47] and HPV. [50] "Weak chlorine solution" is a 0.05% solution of hypochlorite used for washing hands, but is normally prepared with calcium hypochlorite ...

  3. Bleach - Wikipedia

    en.wikipedia.org/wiki/Bleach

    A 1-in-47 dilution of household bleach with water (1 part bleach to 47 parts water: e.g. one teaspoon of bleach in a cup of water, or 21 ml per litre, or ⁠ 1 / 3 ⁠ cup of bleach in a gallon of water) is effective against many bacteria and some viruses in homes. [33]

  4. Water chlorination - Wikipedia

    en.wikipedia.org/wiki/Water_chlorination

    The hypochlorite can be in the form of a powder or a liquid such as chlorine bleach (solution of sodium hypochlorite or calcium hypochlorite in water). Water that is being shock chlorinated should not be swum in or drunk until the sodium hypochlorite count in the water goes down to three parts per million (PPM) or until the calcium hypochlorite ...

  5. Safe household water storage - Wikipedia

    en.wikipedia.org/wiki/Safe_household_water_storage

    Safe household water storage is a critical component of a Household Water Treatment and Safe Storage (HWTS) system being promoted by the World Health Organization (WHO) worldwide in areas that do not have piped drinking water. In these areas, it is not uncommon for drinking water to be stored in a pot, jar, crock or other container in the home.

  6. Percent active chlorine - Wikipedia

    en.wikipedia.org/wiki/Percent_active_chlorine

    Percent active chlorine is a unit of concentration used for hypochlorite-based bleaches.One gram of a 100% active chlorine bleach has the quantitative bleaching capacity as one gram of free chlorine.

  7. Hypochlorite - Wikipedia

    en.wikipedia.org/wiki/Hypochlorite

    Common examples include sodium hypochlorite (household bleach) and calcium hypochlorite (a component of bleaching powder, swimming pool "chlorine"). [1] The Cl-O distance in ClO − is 1.69 Å. [2] The name can also refer to esters of hypochlorous acid, namely organic compounds with a ClO– group covalently bound to the rest of the molecule.

  8. Water purification - Wikipedia

    en.wikipedia.org/wiki/Water_purification

    Fresh water can have widely ranging pH values depending on the geology of the drainage basin or aquifer and the influence of contaminant inputs . If the water is acidic (lower than 7), lime, soda ash, or sodium hydroxide can be added to raise the pH during water purification processes. Lime addition increases the calcium ion concentration, thus ...

  9. Sodium hypochlorite washes - Wikipedia

    en.wikipedia.org/wiki/Sodium_hypochlorite_washes

    The same investigators demonstrated an anti-aging effect of bleach bath in mice. [9] Some cases of severe burns have been reported for using too much bleach within the water. [10] Using too little bleach may not be effective and the American Academy of Dermatology recommends using regular strength bleach, not concentrate. [11]