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| product overview |
sodium hypochlorite is a chemical compound with the formula NaOCl. Sodium hypochlorite solution, commonly known as bleach, is frequently used as a disinfectant and as a bleaching agent. Liquid chlorine; usually provides 10% to 12% available chlorine; has a pH of 13 and requires that small amounts of acid be added to the pool to neutralize the high pH. Good for regular chlorination and superchlorination. Not recommended for spas. Does not contain conditioner or stabilizer to protect it from sunlight, but it is protected if stabilizer or conditioner is already in the water
Like all hypochlorites, sodium hypochlorite is a salt of hypochlorous acid, HClO. sodium hypochlorite solution is a light yellow green transparent liquid. In water, it completely dissociates into the sodium cation Na+ and the hypochlorite anion ClO−, while a small portion hydrolyses into sodium hydroxide and hypochlorous acid. The oxidizing power of the latter and of the hypochlorite anion cause the bleaching effect. The hypochlorite anion's negative charge, however, prevents it from diffusing through the cell walls of bacteria and microbes, making it a poor disinfectant.
However, the hypochlorous acid molecules that exist in equilibrium with the hypochlorite anion, due to their neutral charge and small size, easily diffuse through the cell walls of bacteria. This changes the oxidation-reduction potential (ORP) of the cell, and inactivates the enzyme triosephosphate dehydrogenate. Triosephosphate dehydrogenase (or glyceraldehyde 3-phosphate dehydrogenate/GAPDH) is essential for the digestion of glucose, but is particularly sensitive to oxidizing agents. Its inactivation effectively destroys the micro-organism's ability to function.
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