Ammonia as (NH4+)

Ethanol standard in serum,0.5g/L,serum, 1.5mL

9-cis,11-trans-Octadecadienoic acid , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2540-56-9

PCB 138, 10.0 µg/ml, Isooctane, 10ml