Lye

Lye is a metal hydroxide traditionally obtained by leaching wood ashes. It is commonly used in various manufacturing processes.

History

Lye has been used for centuries. The earliest documented soap making, in the ancient Babylon, involved the use of lye. In the 19th century, soap manufacturers used lye in the form of sodium hydroxide.

Production

Lye is produced commercially in either liquid or solid form. Liquid lye is often preferred for its ease of handling and dispensing. Solid lye is more commonly used in a laboratory setting.

Uses

Lye is used in a variety of applications. It is used in food preparation, soap making, biodiesel production, and more. In food preparation, it is used in the traditional pretzel making process, giving pretzels their characteristic flavor and texture.

Safety

Lye is a highly caustic substance and can cause severe burns to the skin and eyes. It is important to handle lye with care and to use appropriate safety equipment.

See also

• Sodium hydroxide
• Potassium hydroxide
• Soap making
• Biodiesel production

References

Lye Resources
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