テクニック
HPLC: suitable
solid phase extraction (SPE): suitable
試験パラメータ
sample preparation: SPE (Solid Phase Extraction)
sample addition: hydrocortisone topical hand cream in hexane:ethylacetate
SPE tube/cartridge: Discovery DSC-Si, 500 mg/3 mL (52695-U)
condition: 1 mL hexane:ethyl acetate (2:1, v/v)
sample addition: 1 mL
washing: 1 mL hexane:ethyl acetate (2:1, v/v)
elution: 1 mL methanol:DI water (1:1, v/v)
eluate post-treatment: dilute eluate to 2 mL with methanol:DI water (1:1, v/v)
column: Discovery HS C18, 15 cm x 4.6 mm I.D., 5 μm particles (568520-U)
mobile phase: [A] methanol; [B] DI water (1:1, A:B)
flow rate: 1 mL/min
column temp.: 35 °C
detector: UV, 220 nm
injection: 10 μL
適合性
application for HPLC
application for SPE
アプリケーション
cleaning products
cosmetics
personal care
pharmaceutical (small molecule)
アプリケーション
Dissove 1 g 1% hydrocortisone topical hand cream in 10 mL ethyl acetate. Dilute 2 mL of ethyl acetate-cream sample with 8 mL hexane:ethyl acetate (2:1, v/v).
法的情報
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