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The spectrophotometric determination of ?-tocopherol

✍ Scribed by Lambertsen, Georg; Br�kkan, Olaf R.


Book ID
119972799
Publisher
Royal Society of Chemistry
Year
1959
Tongue
English
Weight
619 KB
Volume
84
Category
Article
ISSN
0003-2654

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Spectrophotometric assay of α-tocopherol
✍ F. J. Mulder; K. J. Keuning 📂 Article 📅 2010 🏛 Elsevier Science 🌐 English ⚖ 491 KB

## Abstract The benzene washing procedure for the isolation of unsaponifiable residues has been applied to vitamin E preparations containing α‐tocopheryl esters only. The isolation procedure is carried out once (after saponification) or twice (before and after saponification). In the solution thus