Low temperature separation of trace amounts of dimethylpolysiloxanes from food |
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| Authors: | P. Neal A. D. Campbell D. Firestone M. H. Aldridge |
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| Affiliation: | (1) Food and Drug Administration, 20204 Washington, D.C.;(2) Department of Chemistry, American University, 20016 Washington, D.C. |
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| Abstract: | Dimethylpolysiloxanes, which are difficult to determine in fatty foods, can be separated at low temperatures by special freeze-out apparatus. Final determination is made by atomic absorption, visible or ultraviolet spectrometry. Recoveries from cottonseed oil and cake mix ranged from 95% to 110%. |
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