Ammonia as (NH4+)

Perfluoro-n-dodecanoic acid, 1.2ml x 50ug/ml, methanol

2,2',5,5'-Tetramethylbiphenyl, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 3075-84-1

Bis(2,3-dichloropropyl) Ether, 25mg