HPLC Analysis of Simvastatine USP on Chromolith® Performance Flash 25-4.6mm

CONDITIONS
sample preparation
1.4mg/ml monobasic potassium phosphate in water
column
Chromolith Performance Flash 25-4.6mm (1.51463.0001)
mobile phase
[A] 50% Acetonitril, 50% phosphoric acid and water 1:999; [B] 100% phosphoric acid and Acetonitril 1:999;
gradient
Initial composition:0-4.5min 100%A, 4.6min to 8 min 95%A to 25%A (8min to 11.5min 25%A, 11.6min to 13min 100%A)
flow rate
3 mL/min
pressure
8337 psi (37-58 bar)
column temp.
ambient
detector
238 nm (cell: 11 μL)
injection
5 μL
sample
Lovastatin (1,5mg/ml), Simvastatin (1,5mg/ml) (Diluent: Acetonitril and Buffer 3:2)
Description
Legal Information
Chromolith is a registered trademark of Merck KGaA, Darmstadt, Germany