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Modification of USP vitamin D assay to remove interference of vitamin E

✍ Scribed by Modest Osadca; Elmer De Ritter

Book ID: 102399310
Publisher: John Wiley and Sons
Year: 1968
Tongue: English
Weight: 366 KB
Volume: 57
Category: Article
ISSN: 0022-3549
DOI: 10.1002/jps.2600570213

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When tocopherol is incorporated in multivitamin products at the 10-30 mg. levels, corresponding to the daily adult requirement, serious interference is encountered in determining vitamin D by the USP method. A modification of the USP assay method is described in which the tocopherol is separated by

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