Ammonia as (NH4+)

Di-n-pentyl phthalate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 131-18-0

Carvedilol-d4 (ethyl-d4), neat, Solvent-neat, Unit 10mg, # of units-, Cas.no. 1133705-56-2

2,4,5-Tribromophenol, 1.2ml x 100ug/ml, toluene