Bleach

Clorox Bleach products

Old method of Bleaching Figure 20 Appleton 1884.

Bleach refers to a chemical product used to whiten fabrics and remove stains via a process called oxidation. It is also widely used as a disinfectant due to its ability to kill bacteria, viruses, and fungi. The most common types of bleach are based on chlorine (sodium hypochlorite) or oxygen (hydrogen peroxide, sodium percarbonate, and sodium perborate).

Types of Bleach

Chlorine Bleach

Chlorine bleach is the most powerful type of bleach and is primarily made from sodium hypochlorite. It is highly effective in removing stains and disinfecting surfaces but can be corrosive and cause damage to fabrics and surfaces if used improperly.

Oxygen Bleach

Oxygen bleach is a more gentle alternative to chlorine bleach and works by releasing oxygen when it comes into contact with water. It is safer for colored fabrics and less harmful to the environment. Common forms include hydrogen peroxide, sodium percarbonate, and sodium perborate.

Uses

Bleach is used in various settings, including households, hospitals, and industrial sites. Its primary uses include:

• Disinfection of surfaces to prevent the spread of bacteria, viruses, and fungi.
• Whitening and stain removal in laundry applications.
• In the water treatment process to purify drinking water.
• As a cleaning agent for removing mold and mildew from surfaces.

Safety Precautions

When using bleach, it is important to follow safety precautions to avoid harm:

• Always wear gloves and protective eyewear to prevent skin and eye irritation.
• Ensure the area is well-ventilated to avoid inhalation of fumes.
• Never mix bleach with ammonia or other cleaners, as this can produce toxic gases.
• Dilute bleach according to the manufacturer's instructions to avoid damage to surfaces and fabrics.

Environmental Impact

While bleach is effective in disinfection and cleaning, it can have negative environmental impacts. Chlorine bleach can release toxic dioxins, which are harmful to wildlife and the ecosystem. Alternatives like oxygen bleach offer a less harmful option, but all types of bleach should be used sparingly and disposed of properly.

Bleach Resources
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