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BS EN 16956:2017

BS EN 16956:2017

$167.15

Cosmetics. Analytical methods. HPLC/UV method for the identification and assay of hydroquinone, ethers of hydroquinone and corticosteroids in skin whitening cosmetic products

Published By Publication Date Number of Pages
BSI 2017 40
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This European Standard specifies a HPLC/UV method for the identification and quantification of hydroquinone, 3 ethers of hydroquinone and 4 corticosteroids most frequently found in illegally sold skin whitening cosmetic products: clobetasol propionate, betamethasone dipropionate, fluocinonide and fluocinolone acetonide. This standard also gives HPLC/UV methods for the identification of 38 corticosteroids that may be found in skin whitening cosmetic products (see Annex D). This standard is not dedicated to artificial nail products or soaps.

PDF Catalog

PDF Pages PDF Title
2 National foreword
7 1 Scope
2 Principle
3 Reagents
10 4 Apparatus and equipment
11 5 Procedure
5.1 Sample preparation
5.2 Liquid chromatography measurement conditions
12 5.3 Detection
6 Evaluation
6.1 Identification
6.2 Quantitative determination
13 6.3 Result expression
7 Test report
14 AnnexĀ A (informative)Example of chromatograms obtained
15 AnnexĀ B (informative)Validation Data for the quantitative method hydroquinone and its three ethers
20 AnnexĀ C (informative)Validation data for the quantitative method for the 4 most frequently found corticosteroids
26 AnnexĀ D (normative)Screening methods for the identification of hydroquinone, 3 ethers of hydroquinone and 38 corticosteroids
D.1 Principle
D.2 Reagents
28 D.3 Apparatus and equipment
D.4 Procedure
D.4.1 Sample preparation
D.4.2 Liquid chromatography measurement conditions
29 D.4.3 Detection
D.5 Evaluation for the screening methods
D.5.1 Identification
31 D.6 Test report
D.7 Example chromatograms obtained for 50Ā Ī¼g/ml standard solutions
36 D.8 Alternative HPLC-UV for the identification of coeluted compounds
37 Validation data obtained

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BS EN 16956:2017
$167.15