Open access sample preparation: EI & CI

Lid

Crimp-cap

Solvent

DCM, check with MS lab if other solvent used.

Volume

>200 µL, if less use vial inserts

Concentration

10 - 20µg mL^-1 per component

Caution

You must not use aqueous solvent. If your sample is thermally labile it may decompose in the hotter injector.