13C3-Caffeine, 100 µg/ml, Methanol, 1ml

2-Hydroxy-2',3',5,5',6'-pentachlorobiphenyl, 10mg

Ammonium Standard: NH4+, 1000µg/ml in Water, 100ml

3-Fluoro-2,2',4,4',5,5',6-heptabromodiphenyl ether, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 876310-28-0