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  2. Chromium(III) picolinate - Wikipedia

    en.wikipedia.org/wiki/Chromium(III)_picolinate

    Chromium(III) picolinate (also trivalent chromium) is a chemical compound with the formula Cr(C 5 H 4 N(CO 2)) 3, commonly abbreviated as CrPic 3. It is a bright-red coordination compound derived from chromium (III) and picolinic acid .

  3. Chromium toxicity - Wikipedia

    en.wikipedia.org/wiki/Chromium_toxicity

    The World Health Organization recommends a maximum allowable concentration of 0.05 milligrams per litre of chromium(VI) in drinking water. [7] In Europe, the use of hexavalent chromium is regulated by the Restriction of Hazardous Substances Directive. Hexavalent chromium can be found in some dyes and paints, as well as in some leather tanning ...

  4. Chromium(III) perchlorate - Wikipedia

    en.wikipedia.org/wiki/Chromium(III)_perchlorate

    Chromium(III) perchlorate is an inorganic compound, a salt with the chemical formula Cr(ClO 4) 3. It's hexahydrate Cr(ClO 4 ) 3 ·6H 2 O is a cyan solid that dissolves in water. Preparation

  5. Hexavalent chromium - Wikipedia

    en.wikipedia.org/wiki/Hexavalent_chromium

    In response, the TCEQ installed filtration systems on water-well sites that showed contamination of chromium. [78] As of 2016, TCEQ had sampled water from 235 wells and has installed over 45 anion-exchange filtration systems from this site [78] determined to be centered at 2601 West County Road 112, Midland, Texas. [79]

  6. 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.

  7. Picolinic acid - Wikipedia

    en.wikipedia.org/wiki/Picolinic_acid

    Picolinic acid is an organic compound with the formula NC 5 H 4 CO 2 H.It is a derivative of pyridine with a carboxylic acid (COOH) substituent at the 2-position. It is an isomer of nicotinic acid and isonicotinic acid, which have the carboxyl side chain at the 3- and 4-positions, respectively.

  8. Dealkalization of water - Wikipedia

    en.wikipedia.org/wiki/Dealkalization_of_water

    Like water softeners, dealkalizers contain ion-exchange resins that are regenerated with a concentrated salt solution - NaCl. In the case of a water softener, the cation exchange resin is exchanging sodium (the Na + ion of NaCl) for hardness minerals such as calcium and magnesium .

  9. Dishwasher salt - Wikipedia

    en.wikipedia.org/wiki/Dishwasher_salt

    Dishwasher salt is a particular grade of granulated, crystalline sodium chloride intended for regenerating the water softener circuit of household or industrial dishwashers. Analogous to water softener salt, dishwasher salt regenerates ion exchange resins , expelling the therein trapped calcium and magnesium ions that characterize hard water .

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