What are the official methods of moisture content determination?

The Ray Absorptiometry Method is one of the official methods used to determine the moisture content of a material. This method is based on the principle that microwaves are absorbed by water molecules. The amount of absorption is directly proportional to the moisture content of the material. The higher the moisture content, the more microwaves are absorbed.

The Ray Absorptiometry Method is a non-destructive test method, which means that it does not damage the material being tested. It is also a relatively quick and easy method to perform. This method is often used to determine the moisture content of food, soil, and other materials.

Procedure

• A sample of the material is placed in a sample holder, which is placed in a microwave oven.
• The microwave oven is turned on, and the microwaves are absorbed by the water molecules in the sample.
• The amount of microwave absorption is measured by a detector.
• The moisture content of the sample is calculated based on the amount of microwave absorption.

Advantages

• The Ray Absorptiometry Method is a non-destructive test method.
• It is a relatively quick and easy method to perform.
• It can be used to determine the moisture content of a wide variety of materials.

Disadvantages

• The Ray Absorptiometry Method is not as accurate as some other methods of moisture content determination.
• It can be affected by the temperature of the sample.

Overall, the Ray Absorptiometry Method is a valuable tool for determining the moisture content of materials. It is a non-destructive, relatively quick and easy method to perform, and it can be used to determine the moisture content of a wide variety of materials.