What is a Moisture Analyzer and how can it be used for Moisture Analysis?
How does a Moisture Analyzer work?
A Moisture Analyzer performs moisture analysis by using the ‘loss on drying’ (LOD) method. This is the most common method for moisture analysis.
The sample is weighed using the Moisture Analyzer’s balance unit before and after the removal of moisture. This is done by the continuous recording of the weight while the sample is heated and dried using a halogen lamp or other infrared radiator.
When the sample no longer loses weight, the difference between the two weights is measured, which is used to calculate the moisture content. This is also known as the thermos-gravimetric principle.
Why is it used for Moisture Analysis?
A moisture analyzer is extremely important because moisture analysis is necessary across a number of industries. For example, the measurement of moisture content is highly necessary in the food, pharmaceutical, textile and agricultural industries. This is because it affects quality control criteria such as weight, shelf life, pricing and quality.
For example, high levels of moisture will decrease the value of products and reduce shelf life due to a greater potential for microbial activity. Most products will have an optimum moisture content for the highest quality and there are many laws and regulations set in place to determine the correct moisture content for certain regulated products. For example, there are national food regulations defining the maximum moisture content permissible for certain food produce.
Therefore, moisture analysis is essential for compliance to such regulations and the production of a quality product. The best method for moisture analysis is via the use of a Moisture analyzer.
Moisture Analyzer from Precisa
At Precisa, our Moisture Analyzer represents the very best of Swiss precision in production and engineering.
Providing fully automatic moisture analysis, our top of the range Series 330 XM models are all compact and robust, providing high quality, fast, error-free moisture analysis, using the highest degrees of precision and measurement performance.
Precisa is the leading manufacturer of thermogravimetric analytical measuring equipment, and from the entry level model XM50 to the top of the range EM-120HR, we provide a variety of moisture analyzers which offer a competitive price and meet the highest requirement in research, production and quality control.
View our 365EM Moisture Analyzer Series here.
If you are working with moisture analyzers, you may find the following articles of interest:
- Moisture determination of cement raw mix
- Moisture determination of liquid soap
- Moisture content determination of spaghetti
- Moisture determination of different plastic granules
- Analyzing water content of contact lenses
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