Hexavalent Chromium (Cr 6+)

Endothall-3,4,4,5,5,6-d6 hydrate (93% D),100 µg/mL (as water-free acid),MeOH,1mL,

2,4-Di-tert-butylphenol, 100mg

Chrysene-d12, 2000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 1719-03-5