מחברת BUCHI AG טכניקת מיצוי סולבנטים, חשובה מאוד בעת הכנת דגימות במעבדות סביבתיות. With the Extraction System B-811 Buchi provides a very flexible solution for the extraction of e.g.: Pesticides, PAHs from soil, PCB and PCDD from sewage sludge. The system sets new standards in solid-liquid extraction. The most important advantages are: Substantial user friendliness, practical workflow, time savings, optimal suitability and the unique possibility to work under inert conditions. The B-811 provides a unique variety of methods! It is combining the four extraction techniques: Hot Extraction, Soxhlet Standard, Soxhlet Warm and Continuous Flow. Every method consists of the three steps Extraction, Rinsing and Drying ? which are easy to program and fully controlled by the system. Buchi is the only manufacturer of an automated real Soxhlet extraction system as it is known from the old traditional glass apparatus. In addition to the instrument, the available applications are a very important issue as well. Buchi provides a wide range of experience in imaging or reproducing approved applications. The newest application notes describe the determination of polybrominated biphenyls and polybrominated diphenyl ethers from electronic components (RoHS rules draft DIN EN 62321). The applications (3540C Soxhlet Extraction and 3541 Automated Soxhlet Extraction) comply with the EN regulations and the EPA methods.
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