The new METTLER TOLEDO White Paper “Drying Oven vs. Halogen Moisture Analyzer – A Practical Guide to Compare Methods” explains how easy-to-use halogen moisture analysis can deliver moisture content results in a fraction of the time. Demonstrating that results are comparable to the drying oven method can be straightforward, involving less than a day’s work to establish documented evidence.
Moisture content is a key quality parameter in many industries, including food, pharmaceutical and chemicals. The new METTLER TOLEDO White Paper “Drying Oven vs. Halogen Moisture Analyzer – A Practical Guide to Compare Methods” explains how halogen moisture analysis can replace the drying oven method, providing that the results obtained by the two methods are comparable.
Determination of moisture content is typically performed via loss on drying using a drying oven as the reference method. However, this is a tedious procedure with many manual steps and often takes hours to yield a result. Much faster measurement can be achieved using halogen moisture analyzers, which are easy-to-use and give a direct result in a fraction of the time.
Halogen moisture analysis is also based on the principle of loss on drying, but moisture determination usually takes 5 to 15 minutes compared with 2 to 3 hours using a drying oven. The other key benefit is simplicity, as a direct measurement result is generated with no subsequent calculation steps necessary. This makes halogen moisture analysis well-suited for conducting reliable measurements both in the laboratory environment and on the production line.
Two alternative approaches to establish the equivalency of the results are described in this white paper (with detailed examples). The first approach involves comparison of the data based on the tolerances of the specific process, wherein the accuracy and precision of the results obtained by the two methods are assessed. This can be achieved by a straightforward method comparison requiring less than 20 measurements. The second approach is based on comparison of the data by statistical analysis, such as the Student t-test and linear regression analysis. If the differences are not found to be significant, the methods are considered equivalent.
Typically, it requires less than a day’s work to establish documented evidence that halogen moisture analysis provides comparable results to the drying oven method, but with significant benefits in speed and ease of use. To download the free white paper now, visit: http://www.mt.com/wp-hma
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