Other solutions of sodium hypochlorite find applications from bleaching paper to sanitizing medical and food preparation equipment to water treatment. Tech Talk . Household bleach is a solution of sodium hypochlorite (NaOCl) and water. So it has a lot of uses other than just whitening your whites in the laundry. I found this handy tip on Google: If boiling is not possible, water can be chemically treated with a ratio of 2 drops of plain liquid household bleach (5-6% sodium hypochlorite solution) per liter of water or 8 drops of bleach per gallon (3.79L) of water; 1/2 teaspoon bleach per five gallons (19L) of water. The information in this bulletin is intended to help you understand how to use bleach for disinfection. Many off-brand Ultra bleaches (which are 6%) have a pH of 12.5 which is 0.25% excess lye that can contribute to a pH rise that … Common household laundry bleach is sodium hypochlorite, NaOCl, diluted in water to a 3 - 6 percent solution. 6% Clorox Regular bleach has a pH of 11.9 which corresponds roughly to 0.06% so negligible excess lye which is why it doesn't have the pH rise over time (carbon dioxide outgassing can still have the pH rise, but that can be minimized by lowering the TA). Its ability to whiten textiles was discovered in 1787 by the French Chemist Berthollet.
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.The term "active chlorine" is used because most commercial bleaches also contain chlorine in the form of chloride ions, which have no bleaching properties.
Always follow safety precautions and the manufacturer's directions when working with concentrated solutions of bleach (sodium hypochlorite). Disinfection with Bleach . To avoid injury, use appropriate personal protective equipment during handling (read the label and refer to the material safety data sheet). Clorox aims to maintain a 6% hypochlorite concentration for at least six months after the … According to Clorox™, the amount of hypochlorite that is added to their bleach depends on the season in which it is manufactured, because temperature affects the decomposition rate of sodium hypochlorite. It's an eye and skin irritant, which is why swimming pool water can make your eyes burn. Sodium hypochlorite produced by a continuous process will have approximately 0.2% by weight excess sodium hydroxide, resulting in a specific gravity of 1.160 at 120 gpl. This solution can be an effective disinfectant when used properly. Bleach is a generic term often used to refer to a solution of sodium hypochlorite (e.g., household chlorine bleach). So, more hypochlorite is added to bleach made in the summer than in cooler months.
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