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HPLC Analysis of Cosmetic Preservatives on Ascentis® Express RP-Amide at Elevated Flow and Temperature (1.2 mL/min)

HPLC Analysis of Cosmetic Preservatives on Ascentis® Express RP-Amide at Elevated Flow and Temperature (1.2 ml/min)

Conditions

column Ascentis Express RP-Amide, 10 cm x 3 mm I.D., 2.7 µm particles (53918-U)
column temp. 50 C
mobile phase [A] water; [B] methanol; (60:40, A:B)
flow rate 1.2 ml/min
sample methyl-, benzylparaben, 50 mg/L; ethylparaben, 30 mg/L; propyl-, butylparaben, 100 mg/L; 2-phenoxyethanol, 1.5 g/L; 1-phenoxy-2-propanol, 3 g/L; all in 40% methanol
injection 1 µl
detector UV, 250 nm

Description

Categories Analytical Chromatography, Flavors, Fragrances
Featured Industry Cosmetics, Personal Care, and Cleaning Products
Legal Information Ascentis is a registered trademark of Sigma-Aldrich Co. LLC
suitability application for HPLC

Materials

     
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