Blotting paper

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Blotting paper is a highly absorbent type of paper or other material. It is used to absorb an excess of liquid substances (such as ink or oil) from the surface of writing paper or objects. Blotting paper is commonly used in various applications, including writing, cosmetics, and scientific laboratories.

History

Blotting paper has been in use since the 15th century. It was originally used to absorb excess ink from quill pens. The paper was often made from cotton and was highly absorbent. Over time, the use of blotting paper expanded to other areas, including cosmetics and scientific research.

Types of Blotting Paper

There are several types of blotting paper, each designed for specific uses:

• Writing Blotting Paper: Used to absorb excess ink from writing instruments such as fountain pens.
• Cosmetic Blotting Paper: Used to absorb excess oil from the skin, often used in makeup applications.
• Laboratory Blotting Paper: Used in scientific laboratories to absorb liquids during experiments.

Uses

Writing

Blotting paper is commonly used in writing to prevent smudging and to ensure that the ink dries quickly. It is particularly useful when using fountain pens, which can release a significant amount of ink.

Cosmetics

In cosmetics, blotting paper is used to remove excess oil from the skin. This helps to reduce shine and maintain a matte finish. It is often used by individuals with oily skin or in hot and humid climates.

Scientific Research

In scientific research, blotting paper is used in various laboratory techniques. For example, it is used in Western blot and Southern blot techniques to transfer proteins or DNA onto a membrane for further analysis.

Manufacture

Blotting paper is typically made from cotton and other cellulose fibers. The manufacturing process involves creating a highly porous paper that can absorb liquids quickly and efficiently. The paper is often treated to enhance its absorbent properties.

Related Pages

• Western blot
• Southern blot
• Fountain pen
• Ink
• Cosmetics
• Laboratory techniques