Internal Standard Solution, 1.2ml, nonane

N-Desmethyldiltiazem

13C-15N-AMPA, 100 µg/ml, Water, 1ml

Nitrogen Calibration Set-High Boiling Solvents Units: 1x1mL ampoules or 10mL screw-capped bottle Nitrogen introduced using Carbazole Catalogue No. Concentration Matrix: isooctane mg/kg (ppm) S-4141-0 Blank S-4141-03