10:00 Warm-up
1. Introduction: water as an important quality factor of chemical and food products.
2. Normative and non-normative methods of water content testing – important differences.
3. Systematic and random error of the method used in water content testing.
4. Construction and operating principle of the moisture analyzer – IR radiation in water content testing.
5. Adjustment of the moisture analyzer for mass and temperature measurements.
6. Optimization of the drying process in terms of accuracy and analysis time.
 a. Drying profiles as differentiated methods of heat delivery to the product.
 b. Influence of parameters defining dry weight stability on analysis result.
 (criterion for ending the analysis)
7. Types and methods of preparing samples for analysis.
 a. Structure of the sample during the drying process.
 b. Storage, collection and homogenization of samples.
 c. Sample mass size in the drying process.
8. Validation of the method and the moisture analyzer – general principles.
9. Detection methods and evaluation of the influence of the basic error of the moisture analyzer for water content/ dry mass measurements on the result of the analysis of real samples.
10. Testing.
 a. Analysis of precision and validity of drying results for samples of powder structure, semi-liquid samples and solid samples.
11. SOP for periodic verification of the proper operation of the moisture analyzers.
12. Summary
14:00 Conclusion and Q&A session
You will learn the methods used in water content testing.
You will know what factors affect the result of your water content test.
You will learn about the construction of a typical moisture analyzer.
You will know what drying process optimization is all about and how to put this knowledge into practice.
You will learn the principles of sample preparation for analysis and the effect of drying temperature on mass and heat movement in the sample structure.
You will know the practical aspects necessary for validating a drying method.
You will learn how to evaluate the potential metrological errors of a moisture analyzer for the drying process and determine their significance for the implemented drying process .
You will be able to organize your own SOP procedure for the moisture analyzer.
Trainers
Slawomir Janas, PhD
for more than 25 years has been responsible for weight measurements and measurement methods at RADWAG. He is the author of more than 20 guides and scientific papers on topics
related to mass measurements and methods used in water content studies. In 2019, he received a PhD in the discipline of commodity science from the Radom University of Technology and Humanities. He is also in charge of cooperation with notified bodies in the field of certification of balances and weighing systems. He is an expert in
metrology of mass measurement, moisture measurement and validation of measurement devices and methods.