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Merck
CN
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文件

G005882

LC/MS/MS Analysis of Testosterone and Metabolites on Ascentis® Express C18

application for HPLC

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技术

HPLC: suitable

试验参数

column: Ascentis Express C18, 5 cm x 2.1 mm I.D., 2.7 μm particles (53822-U)
mobile phase: [A] 5 mM ammonium formate water pH 4.0 formic acid; [B] 0.1% formic acid acetonitrile
gradient: 10 to 70% B in 5 min; held at 70% B for 3 min
flow rate: 0.6 mL/min
pressure: 3698 psi (255 bar)
column temp.: 35 °C
detector: MS, ESI(+), TIC, m/z 100-1000
injection: 5 μL
sample: 1000 ng/mL in 40:60 (water:methanol)

适用性

application for HPLC

应用

clinical

分析说明

An Ascentis Expres F5 column provided rapid, baseline resolution of testosterone and metabolites. The highest quality LC-MS solvents were used to supply low background interference and low particulate contaminants for robust, trouble-free operation. Cerilliant CRMs provided reliable identification and quantification.

法律信息

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

分析物

说明
    Testosterone solution, 1.0 mg/mL in acetonitrile, ampule of 1 mL, certified reference material, Cerilliant®
    17α-Methyltestosterone solution, 1.0 mg/mL in 1,2-dimethoxyethane, ampule of 1 mL, certified reference material, Cerilliant®
    5α-Dihydrotestosterone (DHT) solution, 1.0 mg/mL in methanol, ampule of 1 mL, certified reference material, Cerilliant®
    6β-Hydroxytestosterone solution, 100 μg/mL in methanol, ampule of 1 mL, certified reference material, Cerilliant®

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