To achieve reliable and repeatable moisture results, it's vital to follow the guidelines of sample preparation for moisture analysis and apply the sample to the pan correctly. Our special accessories enable easy and error-free sample handling.
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Correct Sample Handling and Preparation is key
Sample Distribution
An evenly spread sample results in a homogeneous distribution of heat throughout the product being measured and the moisture can diffuse evenly out of the sample.
- Use the right sample volume (typically 3-5 g).
- Always use the same amount of sample to achieve good repeatability.
Sample Preparation
The correct preparation of sample is key to reliable results. Therefore:
- Ensure even granulation (small and homogeneous particles)
- If necessary, increase sample surface area by breaking up the sample
- Mechanical crushing can be carried out e.g. using a mortar, grinder (water cooled) or simply by cutting
Sample Pans
Sample pans play a vital role in accuracy of the measurement.
- Only use clean and dry sample pans for moisture determination.
- Use sample pans only once. This guarantees reliable measurements free from the influence of residue remaining from previous samples.
- For good results we recommend METTLER TOLEDO sample pans
High-quality Sample Pans and Glass Fibre Filters
Aluminium sample pans ensure optimal testing conditions for all applications.
Glass fibre filters prevent film building and reduce measurement time of liquids by up to 50%. As they may bend under influence of a sample, a specially-designed downholder ensures they remain in the correct position.
Golden Cage and Downholder for Special Sample Handling
The 100% gold-covered weighing cage is a special weighing pan with a lid, which enables optimal moisture measurement of textiles and bulky samples.
Guide to Moisture Analysis
Download the free guide and learn the fundamentals and applications of moisture analysis.
Tips & Tricks for Good Moisture Results
Download our comprehensive and well structured poster "Moisture Matters" which makes it easy to keep the principles of correct moisture analysis in mind.
