How does sodium hypochlorite affect pH?

The presence of caustic soda in sodium hypochlorite means the pH of water increases when the chemical is added. The pH of the water determines how much hypochlorous acid is formed. When sodium hypochlorite is used, hydrochloric acid is used to lower the pH and increase the disinfection ability.

What is the shelf life of sodium hypochlorite?

Sodium hypochlorite is highly reactive and volatile. At normal pH (6-8), sodium hypochlorite can degrade substantially within 2-3 weeks. This shelf life is not adequate for use in the SWS, which requires that the hypochlorite remain at a high enough concentration to inactivate disease-causing organisms.

What is the pH of sodium hypochlorite?

around 11
Sodium hypochlorite has a relative density of is 1,1 (5,5\% watery solution). As a bleaching agent for domestic use it usually contains 5\% sodium hypochlorite (with a pH of around 11, it is irritating).

Will sodium hypochlorite raise pH?

I have written about this many times but it is well worth repeating: Hypochlorites, sodium hypochlorite, calcium hypochlorite and lithium hypochlorite do not raise pH. Most liquid chlorine (sodium hypochlorite, 12.5 percent) has a pH of about 13; cal hypo has a pH of 11.8 and lithium hypo has a pH of 10.8.

Is sodium hypochlorite acidic?

Sodium hypochlorite is alkaline, and household bleach also contains NaOH to make the solution even more alkaline. Two substances are formed when sodium hypochlorite dissolves in water. These are hypochlorous acid (HOCl) and the hypochlorite ion (OCl-), with the ratio of the two being determined by the pH of the water.

How should sodium hypochlorite be stored?

Sodium hypochlorite should be stored separately from incompatible materials. Store chemicals such as reducing agents, organic materials and acids away from bleach. Sodium hypochlorite storage needs to be at temperatures below 68 F (20 C) in air-tight bottles.

How do you read the expiration date on bleach?

To determine the expiration of a bottle of bleach, look at the first line of code, for instance: A92010007. A9 refers to the plant that manufactured this particular bottle 20 represents 2020, and 100 is the 100th day of 2020 (April 10th). The final two numbers, 07, are simply a manufacturing shift identification code.

What is the pH of bleach?

11-13
Bleach: pH 11-13. Bleach is one of the most common cleaning supplies in households and commercial settings. This particular product has a pH between 11 and 13. Its high level of alkalinity is what makes it corrosive.

How do you raise pH?

Mix baking soda into a serving of water to change the pH and alkalinity. Pour yourself 1 cup (240 ml) of water and pour in 1 tsp (4 g) of baking soda to raise the pH by 1. Stir the solution together thoroughly to bump up your pH levels to make alkaline water.