跳轉至內容
Merck

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

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

材料

分析柱

產品號碼
描述
訂價

53569-U

Ascentis® Express F5, 2.7 μm HPLC 色谱柱

2.7 μm particle size, L × I.D. 10 cm × 2.1 mm

標準品

產品號碼
描述
訂價

705993

3-表-25-羟基维生素 D3

98% (CP)

H-073

25-羟基维生素D2标准液 CRM 溶液

50 μg/mL in ethanol, ampule of 1 mL, certified reference material, Cerilliant®

H-083

25-羟基维生素D3标准液 CRM 溶液

100 μg/mL in ethanol, ampule of 1 mL, certified reference material, Cerilliant®

流動相成分

產品號碼
描述
訂價

70221

甲酸铵

eluent additive for LC-MS, LiChropur™, ≥99.0%

CONDITIONS

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

描述

法律資訊

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

Chromatogram Search

Related Product Categories

HPLC ColumnsGC Columns & AccessoriesTLC Plates & AdsorbentsSolid Phase Microextraction (SPME)Solid Phase Extraction & QuEChERS

Related Applications

Small Molecule HPLCLarge Molecule HPLCGas Chromatography (GC)TLCSolid Phase Microextraction (SPME)Solid Phase Extraction (SPE)QuEChERS