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Determination of coumarin and 6-methylcoumarin in cosmetics by high-performance liquid chromatography

โœ Scribed by A. Bettero; C.A. Benassi


Publisher
Elsevier Science
Year
1983
Tongue
English
Weight
348 KB
Volume
1
Category
Article
ISSN
0731-7085

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High-performance liquid chromatographic
โœ Carlo A. Benassi; A. Semenzato; A. Bettero ๐Ÿ“‚ Article ๐Ÿ“… 1991 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 402 KB

An improved, sensitive method for the determination of formaldehyde in cosmetics and other commercial products is reported. The procedure is based on dilution of the sample with tetrahydrofuran-water (9:1), followed by precolumn derivatization with 2,4-dinitrophenylhydrazine and direct reversed-phas