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2. Water softening - Wikipedia

   en.wikipedia.org/wiki/Water_softening

   Water softening is the removal of calcium, magnesium, and certain other metal cations in hard water. The resulting soft water requires less soap for the same cleaning effort, as soap is not wasted bonding with calcium ions. Soft water also extends the lifetime of plumbing by reducing or eliminating scale build-up in pipes

3. Sensodyne - Wikipedia

   en.wikipedia.org/wiki/Sensodyne

   Sensodyne is a brand of toothpaste that was first sold by Block Drug, a Brooklyn, New York-based company established in 1907 by pharmacist Alexander Block. [1]By 1925, manufacturing dental care products had become the company's focus.

4. Bioglass 45S5 - Wikipedia

   en.wikipedia.org/wiki/Bioglass_45S5

   Bioglass 45S5 or calcium sodium phosphosilicate, is a bioactive glass specifically composed of 45 wt% SiO 2, 24.5 wt% CaO, 24.5 wt% Na 2 O, and 6.0 wt% P 2 O 5. [1] Typical applications of Bioglass 45S5 include: bone grafting biomaterials , repair of periodontal defects, cranial and maxillofacial repair, wound care, blood loss control ...

5. Here Are All The Chemical-Free Sparkling Water Brands - AOL

   www.aol.com/chemical-free-sparkling-water-brands...

   Aura Bora. The sparkling water-heads that we are, new brands are always making it into our rotation, and Aura Bora is a stand-out. Their sparkling waters are filtered with reverse-osmosis (key to ...

6. Lime softening - Wikipedia

   en.wikipedia.org/wiki/Lime_softening

   Lime softening (also known as lime buttering, lime-soda treatment, or Clark's process) [1] is a type of water treatment used for water softening, which uses the addition of limewater (calcium hydroxide) to remove hardness (deposits of calcium and magnesium salts) by precipitation.

7. Polystyrene sulfonate - Wikipedia

   en.wikipedia.org/wiki/Polystyrene_sulfonate

   The hard ions such as calcium (Ca 2+) and magnesium (Mg 2+) adhere to the sulfonate groups, displacing sodium ions. The resulting solution of sodium ions is softened. Idealized image of water softening process involving replacement of calcium ions in water with sodium ions donated by a cation exchange resin.