Applications
Total fat determination in milk powder by Soxhlet Extraction
A simple and reliable procedure for the fat determination in milk powder is introduced. The sample is hydrolyzed with the HydrolEx H-506 and extracted with the FatExtractor E-500. This application follows official methods (EN 98/64/EG, ISO 14156:2001, AOAC 945.16). The determined fat contents correspond well to the expected values, with low relative standard deviations (rsd)
Food Analysis Champion Guide Book
This guidebook offers a comprehensive summary of how NIR and reference methods, such as fat extraction and the Kjeldahl method for protein determination, are used at all steps in the food processing chain. Get a detailed overview of the techniques, including sample preparation, regulatory measures, troubleshooting, FAQs, and case-specific studies.

The five essentials of fat extraction
With this concise booklet, learn about the basic extraction principle, important parameters that influence the fat extraction process, the role of hydrolysis in total fat extraction, differences between Soxhlet, hot and continuous extraction. Benefit from a decison tree for selecting the right extraction instrument and a comprehensive troubleshooting guide.
Your Evaporation Guide – Immersion angle
Achieve higher distillation efficiency when using a rotary evaporator by reading on the impact of immersion angle.
The evaporation rate of a rotary evaporator depends to a large extend on the immersion angle of the evaporating flask. The flatter the immersion angle, the higher the evaporation rate. This is, among other reasons, due to the fact that a flat immersion angle increases turbulence inside the evaporating flask, hence accelerating the evaporation. However, with a flatter immersion angle the evaporating flask cannot be as deeply immersed in the heating bath medium compared with a steep immersion angle. This can be an issue especially working with smaller evaporating flasks. Generally speaking, a 40 degrees immersion angle leads to a maximum efficiency rate without restriction in handling or risking losing parts of the sample due to over spilling and bumping into the receiving flask.





