G005375

HPLC Analysis of 25-Dihydroxyvitamin D₂, 25-Hydroxyvitamin D₃ and 3-epi-25-Hydroxyvitamin D₃ on Ascentis^® Express F5, 20 °C

application for HPLC

屬性

• 技術: HPLC: suitable
• 測試參數: column: Ascentis Express F5, 10 cm x 2.1 mm I.D., 2.7 μm particles (53569-U); mobile phase: [A] 7 mM ammonium formate; [B] methanol (25:75); flow rate: 0.4 mL/min; pressure: 5221 psi (245 bar); column temp.: 20 °C; detector: (UV, 265 nm, ESI(+), m/z 100 - 1000); injection: 1 μL; sample: 300 mg/L in 25:75, water:methanol
• 適合性: application for HPLC
• 應用: clinical; vitamins, nutraceuticals, and natural products

描述

法律資訊

Ascentis is a registered trademark of Merck KGaA, Darmstadt, Germany

分析物

25-Hydroxyvitamin D2 solution, 50 μg/mL in ethanol, ampule of 1 mL, certified reference material, Cerilliant^®
25-Hydroxyvitamin D3 solution, 5 μg/mL in ethanol, ampule of 1 mL, certified reference material, Cerilliant^®
3-epi-25-Hydroxyvitamin D₃, 98% (CP)