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Plasma Metanephrines by LC/MS/MS on Luna HILIC following SPE with Strata-X-CW

Sample Preparation Details

Part No:8E-S035-TGB
Solid Phase Extraction (SPE) procedure:Note: The solvent volumes shown below are for a 30 mg bed mass. The solvent volumes will need to be adjusted for a smaller or larger bed mass.
Dry:2 min at 10" Hg
Final Prep and Analysis: Elution solvent must be freshly prepared Inject: 30 µL on HPLC / Mass Spectrometer (MS) @ amu (ambient)

Analytes:

Name Spiked
Conc.
Log P pKa % Rec %RSC (n=0)
1 Metanephrine 1.5 
2 Metanephrine-d3 20 
3 Normetanephrine 1.5 
4 Normetanephrine-d3 20 

Application Detail (App ID: 17970)

Part No:00B-4449-B0
Dimensions:50 x 2 mm ID
Elution Type:Gradient
Elution A:ACN/100mM Ammonium Formate, pH 3.2 (95:5)
Elution B:ACN/Water/100mM Ammonium Formate, pH 3.2 (50:45:5)
Gradient Profile:
Step No. Time (min) Pct A Pct B
1 0 100 0
2 2.51 0 100
3 3.01 100 0
4 6 100 0

Flow Rate:0.4 mL/min
Col. Temp: ambient
Detection: Mass Spectrometer (MS) @ amu (22°C)
Detector Info: Analyte MRM Pair
(Q1/Q3)
MN 180.4/148.2
MN-D3 183.4/151.2
NMN 166.4/134.2
NMN-D3 169.4/137.2
Note:SecurityGuard™ Guard Cartridge System extends column lifetime.
- SecurityGuard Cartridges, HILIC 4 x 2.0mm, 10/Pk Part No.: AJ0-8328
- Holder Part No.: KJ0-4282

Analyte Details

Analyte Detail not available

1
Metanephrine
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2
Metanephrine-d3
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3
Normetanephrine
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4
Normetanephrine-d3
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