Chlorine is a disinfectant that is used to maintain clean water in the pools. Chlorine (Cl2) is a gas, swimming pools which are usually added is sodium hypochlorite, which when dissolved in water dissociates:
NaClO → Na + + ClO-
The anion hypochlorite from a weak acid and tends to react with water (hydrolysis):
ClO-+ H2O → HClO + OH-
As a result, the pool water is increased the value of pH.
disinfection occurs when hypochlorous acid reacts with the bacterial wall, if the attack is repeated, the repair mechanisms are overwhelmed and the body dies. It is necessary to control the pH value, to provide an effective concentration of HClO. The pH of the pool must be between values \u200b\u200bof 7 to 7.8.
It is worth remembering that the pH of our skin is 5.5, so that the pool water can be aggressive to the skin, it destroys the outer protective layer and can cause problems of dryness or irritation.
Another possible "side effect" of chlorine is that it acts on the hair dye, can alter the tone hair (blonde hair can acquire a greenish hue.)
bleach we use at home, is a solution of sodium hypochlorite. One of its properties is that it is a bleaching agent, in fact, what it does is destroy (oxidize) the dye molecules as seen in the video. Important: Do not drink mixes, burns and lead us not mix chlorine bleach NI with acid (free chlorine is hypochlorous acid), or with ammonia as it forms a gas called chloramine, which when inhaled releases ammonia, hydrochloric acid and oxygen free radicals in the lungs, which can damage lung tissue and cause inflammation and dangerous obstructions in the airways.
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