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A Soxhlet extractor is a piece of laboratory apparatus [1] invented in 1879 by Franz von Soxhlet. [2] It was originally designed for the extraction of a lipid from a solid material. Typically, Soxhlet extraction is used when the desired compound has a limited solubility in a solvent , and the impurity is insoluble in that solvent.
Milk fat is separated from proteins by adding sulfuric acid. The separation is facilitated by using amyl alcohol and centrifugation. The fat content is read directly via a special calibrated butyrometer. Gerber developed specialized butyrometers (tubes), pipettes, and centrifuges. Water baths built specifically for the Gerber tubes are often used.
The original Babcock test was not suitable for estimating the fat contents of ice cream, since the sugar and other ingredients would be charred by the sulfuric acid and contaminate the fat layer. After thousands of experiments, a modified test, suitable for the purpose, was developed in 1930 by L. K. Crowe at the University of Nebraska .
"The fat and protein in the nuts help keep you full, so you don’t need to eat a lot of them to reap the weight-loss benefits," says Natalie Rizzo, a registered dietitian and TODAY.com nutrition ...
Soxhlet extractor. Franz von Soxhlet was born on 12 January 1848 in Brno, Moravia, Austrian Empire and migrated with his family to the German Confederation.He was the son of spinning industrialist Hubert Soxhlet, an immigrant from Dalhem near Liège (in the former Duchy of Brabant).
President-elect Donald Trump’s new Department of Government Efficiency, a nongovernmental entity helmed by billionaire Elon Musk and biotech entrepreneur and former Republican presidential ...
An Australian computer scientist who claimed he invented bitcoin was on Friday accused of contempt of court after he filed a 911 million-pound ($1.18 billion) lawsuit against Twitter founder Jack ...
This page was last edited on 28 December 2009, at 10:42 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
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