Atenolol, 100 µg/ml, Acetonitrile, 5ml

Perfluoro-4-oxapentanoic acid (PFMPA), 1.2ml x 50ug/ml, methanol

[Methyl[(tridecafluorohexyl)sulphonyl]amino]ethyl acrylate,1000 µg/mL ,MeOH,1mL,

Custom Aromatic Mixture