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LC/MS Analysis of Combination Drug Panel on Ascentis® Express Biphenyl

LC/MS Analysis of Combination Drug Panel on Ascentis® Express Biphenyl application for LC-MS

Materials

related product

Product No.
Description
Pricing

Fentanyl solution

1.0 mg/mL in methanol, ampule of 1 mL, certified reference material, Cerilliant®

Methylphenidate hydrochloride solution

(Racemic mixture), ampule of 1 mL, 1.0 mg/mL in methanol (as free base), certified reference material, Cerilliant®

Noroxymorphone hydrochloride solution

1.0 mg/mL in methanol: DMSO (80:20) (as free base), ampule of 1 mL, certified reference material, Cerilliant®

Norfentanyl oxalate solution

1.0 mg/mL in methanol (as free base), ampule of 1 mL, certified reference material, Cerilliant®

Oxycodone solution

1.0 mg/mL in methanol, ampule of 1 mL, certified reference material, Cerilliant®

Oxymorphone-D3 solution

1.0 mg/mL in methanol, ampule of 1 mL, certified reference material, Cerilliant®

Pregabalin solution

1.0 mg/mL in methanol, ampule of 1 mL, certified reference material, Cerilliant®

Ritalinic acid hydrochloride solution

1.0 mg/mL in methanol (as free base), ampule of 1 mL, certified reference material, Cerilliant®

Zopiclone solution

1.0 mg/mL in acetonitrile, ampule of 1 mL, certified reference material, Cerilliant®

Zaleplon solution

1.0 mg/mL in methanol, ampule of 1 mL, certified reference material, Cerilliant®

Zolpidem phenyl-4-carboxylic acid solution

500 μg/mL in acetonitrile: water (1:1), ampule of 1 mL, certified reference material, Cerilliant®

Zopiclone-N-oxide solution

100 μg/mL (Methanol with 1% 1 M HCl), ampule of 1 mL, certified reference material, Cerilliant®

N-Desmethylzopiclone solution

100 μg/mL in acetonitrile, certified reference material, Cerilliant®

Ascentis® Express Biphenyl Column

2.7 μm particle size, L × I.D. 5 cm × 2.1 mm

used together

Product No.
Description
Pricing

Ammonium formate

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

CONDITIONS

column

Ascentis Express Biphenyl, 5 cm x 2.1 mm I.D., 2.7 μm particles (64057-U)

mobile phase

[A] 5 mM ammonium formate, 0.1% formic acid in water; [B] 5 mM ammonium formate, 0.1% formic acid in water:methanol (5:95)

gradient

5% B for 1 min; to 100% B in 5 min; held at 100% B for 1 min

flow rate

0.5 mL/min

pressure

431 psi (29.8 bar)

column temp.

25 °C

detector

MS, ESI+, EIC

injection

1 μL

sample

300 ng/mL in urine after dilution 9:1 in water

Description

Legal Information

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