Isocarbamid Standard

Morphine-3-glucuronide, 1000µg base/mL, Solvent-DMF, Unit 1mL, # of units-1, Cas.no. 20290-09-9

EPA Method 200.8 Internal Standard

2,6-Dimethylnaphthalene, 50 µg/mL in Toluene, 1ml